It's people who overestimate their expertise (at the low end) or underestimate it (at the high end). But the people at the high end still estimate their skill h

It's people who overestimate their expertise (at the low end) or underestimate it (at the high end). But the people at the high end still estimate their skill higher than those at the low end. Instead, what it has turned into is this idea that "stupid people think they're smarter than smart people" when it says nothing of the sort.