Seems a big egotistical to me I used to have this worldview then I realized “smarter” people self select lives that tend to be more neurotic and tend to overth

Seems a big egotistical to me I used to have this worldview then I realized “smarter” people self select lives that tend to be more neurotic and tend to overthink things to the point of anxiety Do you really need to worry over all the things you do? Or have all the years of being schooled and trained and under pressure to constantly juggle multiple things made your brain’s default state anxiety?