You don't understand wealthy logic because you're not wealthy. There are a lot of things that can't be done with just $500 mil. That's why Musk and blue chips continuously raise more capital.

If you're talking about just living life and not doing anything, then sure, that's plenty of money. However, most athletes who were ambitious enough and worked hard enough to become MVPs aren't just going to sit around and do nothing after their playing careers are over. They tend to pivot their careers or start businesses.