Regardless, though, of legal bindings, which can just as easily be fraught with prejudice as people themselves, I, for example, cannot be a professional basketball player. I'm simply not coordinated or tall enough to do anything like that. I'm merely incapable. Of course, you can point to people like Muggsy Bogues as counter-examples. (I'm far taller than Muggsy.) But those tend to be very rare exceptions.