The lessons come right out of Robert Cialdini’s book Influence.
It’s a demonstration of the rhetorical technique of social proof and the old axiom:
If you say it often enough (enlarge the social proof) they will believe it.
The ersatz posse is enough to sell the heart…to persuade the limbic brain of something it is programmed to desire — proximity to power.
The assumptions that he is a rock or movie star is an aspect of what Cialdini calls the rhetorical technique of commitment/consistency…the neocortical brain needing to rationalize what the limbic brain has already decided to be true.