The Importance of Beliefs

We tend to believe what our groups believe, and that's how incredibly smart people end up disagreeing about really important things. The brain is much more interested in rising status in our groups than it is about discovering the truth. Most of us don't choose our beliefs. Sometimes we're born into those groups with no option but to take those views. We also seek information that matches our points of view. This is the confirmation bias. Your boss will think they are smarter than they actually are. And your boss is obsessed with status,. With a natural desire to feel valued by others. If you want to learn more about confirmation bias and overconfidence then I'd certainly recommend Will’s book