M - Money/Greed
I - Ideology/Divided Loyalty
C - Coercion/Compromise
E - Ego
Sometimes, I think we look at people who are this wealthy and think they should be immune to these kinds of shenanigans, but I'd wager that the -ICE becomes even easier to exploit in people once they no longer need money, if they were already susceptible to it to begin with.
All these billionaires are unfathomably rich, and still slamming 60-80hr work weeks. They are not in it for the money.