Yeah pretty much. You don't have to "shuck and jive" but be personable and all of that.
The only single (as in weren't previously married) CEOs that come to mind have been gay li keTim Cook and John Browne (and he lost his job because he got extorted).
The other thing is most Black men don't drink beer like cacs.
When cacs and other non-Blacks shoot the breeze after work, it's usually over beer.
Brehs don't want to expand their palate beyond Hennessy and other negro spirits.