The influence habit that worked until it didn’t.
For most of their careers, senior experts have not needed to think carefully about influence. They had something more reliable. They knew more than the people around them, more than their clients, more than the executives they advised. That knowledge was their power source, and it worked. Decisions deferred to them. Rooms fell quiet when they spoke. Rational argument was sufficient because the argument came pre-authorised by the expertise behind it.
That condition is changing. The commoditisation of specialist knowledge, accelerating sharply as AI makes deep expertise broadly accessible, is eroding the knowledge monopoly that senior experts have held. The argument that once landed with the weight of rare authority now lands in a room where the same information is available to everyone. It is easier to challenge, easier to second-guess, easier to route around. The deference is thinning.
The repositioning that situation demands begins with domain mastery. But domain mastery alone does not move resistant systems.
What is being exposed is not a new problem. It is an old absence that expertise power had been covering. Senior experts, as a professional cohort, have had less need to develop political dexterity than almost any other group operating at their level. They did not need it. The power they held made it unnecessary. And so, for most of them, it was never developed.
The tool they are reaching for
When expertise power begins to fail, the instinctive response is to strengthen the argument. More evidence. Cleaner logic. A more compelling case. This is what experts know how to do. It is the instrument they have always used, and for a long time it produced results.
The results it produces now are different, and the research has explained why with precision for over thirty years.
In 1992, Cecilia Falbe and Gary Yukl published a study in the Academy of Management Journal examining the consequences of using different influence tactics, used alone and in combination. The study coded outcomes into three categories: commitment, compliance, and resistance. Inspirational appeals and consultation were the most effective tactics in producing genuine commitment. Rational persuasion sat in an intermediate band. It produced results, but the result it most reliably produced was compliance, not commitment.
The distinction is not semantic. Compliance is conditional. It holds while the conditions that produced it remain intact and dissolves when they shift. Commitment is structural. It survives pressure, ambiguity, and the absence of the person who generated it. Change built on compliance is fragile. Change that generates commitment holds.
The senior expert who has always relied on rational persuasion has been producing compliance and, for much of their career, not noticing. When expertise power was intact, it did not matter. Compliance was enough. The knowledge monopoly meant that even reluctant agreement stayed in place. Now the monopoly is weaker, compliance is more fragile, and the gaps are becoming visible.
Why rational argument reaches a ceiling
Rational argument works within a shared frame. When the people being persuaded already accept the underlying premises, when values are aligned, when the change being proposed does not threaten what the system understands itself to be, rational persuasion can move things efficiently.
The situation senior experts are increasingly finding themselves in is different. They are being asked to influence systems that do not automatically defer to them. Those systems have their own logic, their own values, their own sense of what they are and what they will protect. Rational argument addresses the cognitive layer. It cannot, by itself, reach the level at which a system decides what it is and what it will resist.
The argument can be impeccable and the outcome unchanged, because the resistance operating beneath the surface was never engaging with the argument in the first place. The expert reads this as a communication failure and strengthens the case. The system organises its resistance more thoroughly. More pressure produces more sophisticated resistance, not movement.
What the situation now demands
Falbe and Yukl’s research pointed toward what produces commitment rather than compliance. Inspirational appeals work because they engage the system at the level of values and identity. Consultation works because it makes the system a participant in the direction rather than a target of it. Both operate at a level rational persuasion alone cannot reach.
The capability that integrates accurate reading of a system with adaptive selection of approach, that knows when rational argument will move things and when something else is required, that can construct conditions in which a system generates its own commitment rather than reluctantly conceding compliance, is political dexterity.
For senior experts, this is new territory. Their career did not demand it. Their professional development did not build it. And the cultural environment in which most of them operate still makes it difficult to name plainly, let alone pursue deliberately. But the power source that made political dexterity unnecessary for them is weakening. The exposure that creates is not temporary. It is structural, and it will compound.
The experts who recognise this earliest are not waiting for the erosion to deepen before they act. They are asking a different question from the one most of their peers are still trying to answer. Not how to make the argument more compelling. But how to develop the capability the argument alone was never going to be enough to replace.
See also: Defining Political Dexterity: The Critical Capability Today Demands
Colin Gautrey, May 2026
Colin Gautrey works privately with senior experts repositioning their power base.