To learn you have to first realize you were wrong.

If your ego does not allow you to realize you were wrong, you cannot learn.

Sarumans have a structurally harder time learning.

That allows them to heroically push forward with a determinism and confidence no one else can muster… and if it ends up being a great idea, that can create a lot of value for society.

But watch out if they're steamrolling forward on a bad idea!