To be honest, I disagree. It’d be logical if that was true, because that’s what you’d expect, but I’ve met plenty of counterexamples. People who were well educated in some subject and therefore assumed that they know everything better. I’ve found that for a certain group of people, having a bachelor’s or master’s degree makes them overestimate their ability massively. Some of them you could at least partially convince with facts, but I’ve also met a few of them who has gone completely off the deep end. Well educated doesn’t always mean intelligent