why do you think MENSA members are representative of people with high IQs in general? obviously you cannot extrapolate from them. there's a reason that accompli

why do you think MENSA members are representative of people with high IQs in general? obviously you cannot extrapolate from them. there's a reason that accomplished people who would obviously get a high IQ score don't join, because the organization offers absolutely nothing of value. extreme selection bias at play.