Reliability earns trust. In Chapter 2, that trust is real. The person who steps in repeatedly becomes credible because they have proven they can absorb pressure and still deliver.
But reliability has a hidden cost when it allows the organisation to avoid redesign. Every rescue solves the immediate problem while leaving the underlying weakness untouched.
When trust becomes concentration
The reliable person becomes the place where knowledge, decision-making, and escalation gather. This can look like influence. It can also create fragility.
If removing one person introduces disproportionate risk, the organisation has not become resilient. It has become dependent.
Make reliability transferable
The answer is not to become less reliable. It is to make your reliability transferable. Document the pattern. Clarify the decision path. Build the process that means the next rescue does not require the same person.
That is the shift from being valuable because you are always present to being valuable because the system improves after you intervene.
Maturity lesson: The highest form of reliability is reducing how much the system depends on your personal availability.