I don't know why folks put down college sports. If you do 4 years on a D1 team, you can certainly call yourself an expert in that sport. They're not just messing around, they're learning and developing their skills.
They may not go pro or use that knowledge directly later in life, but neither do a lot of degree holders in their field.
"Eccentric" is not the best way to describe him. He's full of hate, vengeful, reactionary, abusive, and surrounded by yes men/women.
You've slowly been piecing each of them together over the past month, but clearly still don't get it. I don't know why you're still giving so much benefit of the doubt, other than the fact that he's also a billionaire.
They may not go pro or use that knowledge directly later in life, but neither do a lot of degree holders in their field.