Where did I say genius? They did something impressive so a useful model is to say "they know something about this world" or "there is something unique about them".
Not sure what you're referring to as anti-social behavior, but yeah I imagine extreme wealth generation means the person is likely to have some personal characteristic that could manifest as anti social. The smartest people I know are all ADHD or some other abnormality.
How exhausting must it be to think that anyone with success got so through illicit means or luck. It's much healthier to come in with the assumption that there's something to learn from that person.