While I think that is true to a point, they would also have to be careful to not tell him anything they couldn't back-up. Sort of a catch-22, tell him what he wants to hear, but it also has to be provable (to a point).
Yes, you're probably right. And it's not just the people who are his underlings but all of their families. It's unbelievable to me what some people will do for prestige and power.