When Success Costs More Than We Realise
- Jul 25
- 7 min read
Why good leaders don't just define success. They define what success should never cost.
Most leadership decisions begin with good intentions.
A company wants to improve customer service. Another wants to reduce costs. A hospital hopes to shorten waiting times. A government agency looks for ways to process applications more efficiently. Whatever the objective, the motivation is usually the same: to make the organisation perform better than it does today.
The next step is almost always to define success in a way that everyone can understand. A target is set. A performance measure is introduced. Progress can now be tracked, discussed and reported. What was once an aspiration becomes something tangible, allowing leaders to see whether the organisation is moving in the right direction.
There is nothing wrong with this. In fact, organisations need measures. Without them, priorities become blurred, decisions become inconsistent, and every team begins working towards its own interpretation of success. Good measures bring clarity. They focus attention, align effort and create accountability. Much of what organisations achieve is possible precisely because someone decided that progress should be measured.
Yet every measure does something else at the same time.
The moment we decide what deserves our attention, we inevitably give less attention to something else. We rarely notice this because it happens quietly. Our meetings begin revolving around the numbers on the dashboard. Managers ask about targets, trends and performance. Teams learn what matters because those are the things that are reviewed, celebrated and rewarded. Little by little, the measure becomes the centre of the conversation, while everything outside that measure gradually fades into the background.
The more I have reflected on this idea, the more I have come to realise that every performance measure carries with it an unspoken assumption. We assume that improving what we measure will naturally improve the organisation. Most of the time it does. Sometimes, however, improving one thing comes at the expense of something else that matters just as much.
Most organisations spend a great deal of time deciding what they want to achieve. Far fewer spend the same amount of time deciding what they are unwilling to sacrifice in order to achieve it. Yet that distinction may be one of the most important responsibilities of leadership.
When Improvement Comes at a Price
Imagine a hospital determined to reduce waiting times.
Patients have complained for years about spending hours before seeing a doctor. The feedback is consistent, the frustration is real, and leadership knows something has to change. After several discussions, a clear objective is agreed upon. Patients should be seen more quickly. A target is introduced, progress is tracked, and managers begin reviewing waiting times every week.
The changes work.
Within months, patients are moving through the system faster than ever before. The dashboard reflects the improvement. Reports show shorter queues, better turnaround times and a measurable increase in operational efficiency. From every performance measure available, the initiative appears to be a success.
Then another pattern begins to emerge.
Doctors find themselves spending less time with each patient. Conversations become more hurried. Complex cases are more difficult to explore because everyone is conscious of the next patient waiting outside. Patients are now seen more quickly, yet many leave feeling less understood than before. Some return because their concerns were never fully addressed during the first consultation.
No one intended this outcome.
No one set out to provide poorer care. In fact, everyone involved was trying to achieve exactly what the organisation had asked them to achieve. They were responding to the priorities the system had established.
The problem was never the target itself.
Reducing waiting times is a worthwhile objective. Patients should not spend unnecessary hours waiting for treatment. The difficulty arose because one important outcome had become highly visible, while another equally important outcome quietly slipped into the background. The organisation had become better at measuring speed than protecting the quality of care.
This is how many unintended consequences begin.
Not through poor leadership. Not through bad intentions. But through an incomplete definition of success. When one measure becomes the dominant indicator of performance, intelligent people naturally organise their work around it. The organisation moves forward, but often without noticing what has been left behind.
Why We Rarely Notice the Trade-Off
One of the more uncomfortable truths about leadership is that organisations rarely drift because people stop caring. More often, they drift because attention is a limited resource.
The moment we decide what deserves our attention, we inevitably give less attention to something else. That is precisely what a performance measure is designed to do. It shines a brighter light on one part of the organisation so that people know where to focus their effort.
Meetings begin with those numbers. Managers ask about them. Teams celebrate improvements. Resources are directed towards them. Before long, everyone knows exactly what success looks like because the organisation has made it visible.
There is nothing unusual about this. It is how every organisation creates alignment.
The difficulty is that what receives less attention does not become less important. It simply becomes easier to overlook.
When revenue dominates every conversation, customer relationships can quietly become transactional.
When productivity becomes the measure everyone talks about, employee wellbeing can slowly fade into the background.
When reducing waiting time becomes the overriding objective, the quality of each interaction may receive less consideration than it deserves.
None of these changes happen overnight. They rarely feel dramatic while they are unfolding. Each individual decision appears reasonable. Each adjustment makes sense in isolation. It is only when leaders pause and look back that they begin to see the pattern. The organisation has not changed direction because people lacked integrity or commitment. It has changed because intelligent people responded exactly as the system encouraged them to respond.
That is why unintended consequences are so difficult to prevent. They do not appear as sudden failures. They emerge gradually, one sensible decision at a time.
If every performance measure naturally directs people's attention, then perhaps the real question is not whether organisations should use KPIs.
It is whether a KPI, by itself, is enough.
The Missing Half of Every KPI
Perhaps the mistake is not that organisations rely too much on performance measures.
Perhaps the mistake is believing that a performance measure tells the whole story.
Every KPI answers an important question. It tells us whether we are moving closer to the outcome we want. It provides clarity, creates accountability and gives people confidence that their efforts are making a difference. Without measures, organisations would struggle to coordinate their work or know whether they were improving.
What a KPI cannot tell us is what might quietly be lost while that improvement is taking place.
That requires a different conversation.
Instead of asking only whether the target is ambitious enough or whether progress is on track, leaders also need to ask what must remain protected while the organisation pursues that goal. The answer will be different for every organisation, but the principle is always the same. Every worthwhile objective has something standing beside it that deserves equal attention.
Increasing sales should never require misleading customers.
Reducing waiting times should never diminish the quality of care.
Improving productivity should never come at the expense of people's wellbeing.
Reducing costs should never compromise safety.
These are not competing objectives. They are the boundaries within which success should be achieved.
That is the role of a guardrail.
A guardrail does not replace the KPI, nor does it slow progress. It simply makes explicit what the organisation has decided should never be sacrificed in pursuit of its goals. It reminds everyone that reaching the destination is only part of the journey. Equally important is how the organisation arrives there.
Designing Better Performance Systems
Recognising the need for guardrails is one thing. Designing them thoughtfully is another.
A common misunderstanding is that guardrails are simply additional KPIs added to an already crowded dashboard. Before long, organisations find themselves measuring everything, hoping that more measures will somehow produce better decisions. In reality, the opposite often happens. When people are asked to optimise twenty different measures at the same time, they quickly lose sight of what matters most.
A good guardrail is different.
It is not there to compete with the primary objective. It exists to protect the reason that objective was chosen in the first place. It answers a simple question: If we achieve this target brilliantly, what must we make sure we do not damage along the way?
That answer will differ from one organisation to another.
A hospital may decide that improving patient flow should never compromise the quality of care.
A retailer may pursue faster service without sacrificing meaningful customer conversations.
A manufacturer may reduce production costs while making it absolutely clear that safety standards remain non-negotiable.
Although the examples differ, the thinking is remarkably consistent. Every important objective deserves an equally important reminder of what the organisation refuses to compromise. Rather than creating competing priorities, the KPI and the guardrail work together. One drives performance. The other protects purpose.
The Conversation Worth Having
Performance measures will always be part of organisational life. Without them, priorities become blurred, progress becomes difficult to assess, and improvement becomes largely a matter of opinion. Organisations need clarity, and good measures provide exactly that.
Perhaps what needs to change is not the use of KPIs, but the conversation that takes place before they are introduced.
Leadership teams invest considerable effort deciding what they want people to achieve. They debate targets, compare benchmarks and discuss how success should be measured. These are worthwhile conversations because they provide direction. Yet they are only part of the discussion.
The other part is quieter, and perhaps more important.
Before agreeing on a target, leaders should also ask what they are unwilling to sacrifice in order to achieve it. That answer may never appear on a dashboard, and it may not always be expressed as another measure.
More often, it reflects the values the organisation wants to protect, even while pursuing ambitious goals.
Measures will always influence behaviour. Targets will always shape priorities. People naturally respond to the signals the organisation sends them. That is why leadership extends beyond deciding what deserves attention. It also involves deciding what deserves protection.
The strongest organisations understand that every performance measure tells only part of the story. Progress matters, but so do the values, relationships and responsibilities that make that progress worthwhile. Success is not simply about reaching the destination. It is also about arriving there without compromising the very things that gave the journey its purpose.
Because every KPI tells people what success looks like.
A guardrail reminds them what success should never cost.
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