The most interesting part about consultants to me is something I heard the CEO of my current company say once to a bunch of product leadership: "I think I know

The most interesting part about consultants to me is something I heard the CEO of my current company say once to a bunch of product leadership: "I think I know the answer they're going to give, and I think you all know it, but if I have to pay a consultant a bunch of money to get you to listen to it and do it then so be it." I've found this true in current and past companies, when was the last time you had a consultant tell you something you COMPLETELY didn't know yourself? Something surprising?