That is not sufficient to make any kind of judgement using the words, "pretty much all of them." How many of extraordinarily accomplished people didn't have in

That is not sufficient to make any kind of judgement using the words, "pretty much all of them." How many of extraordinarily accomplished people didn't have intellectually nurturing environment? How many supportive, smart, educated and wealthy parents in history have had gifted children who have not became extraordinarily accomplished people? More importantly, how many gifted kids are not realizing their potential because their parents are too busy working, and their school teachers suck? Many times I've heard people mentioning they hate math then describing horrible ways it was taught to them in school. Often they don't even realize it was horrible.