>>8650627The problem is, the same traits that make people appear intelligent can also get in the way of doing anything useful with that intelligence, or anything at all really.
Being very curious may mean you learn a lot, but the amount of interest you have in things can make it very hard to focus and specialise.
Easily having great ideas is an even more severe handicap to being able to focus and specialise, if you can have a great idea about anything.
Some mental disorders cause people to be more intelligent (the rate of mental disorders amongst the most intelligent and creative humans is astounding), but of course that mental disorder makes it harder to be a functional human being.