You know, cynicism doesn't count as insight nor evidence in my book.
This is how humans work, regardless of whether we like it or not.
It doesn't mean, however, that it is impossible to get the 100 most influential people in the company together. It just means that you can't do so by relying on the existing company hierarchy.
The easiest way is to randomly draw 10000 employees, then give them the opportunity to anonymously declare which employee they consider the most influential within their branch/location.
Top 100 voted "go to Disneyland".