“Managers love yes-men and yes-women—people who nod along and follow orders without question. Leaders actively seek out the people who will challenge them.
As Simon explains: “Managers love a good yes-man. Leaders? They want the person who says, ‘I think we’re making a mistake.’ Because that’s how you get better.””
https://simonsinek.com/stories/5-things-managers-do-that-leaders-never-would-according-to-simon/