It’s weird, when my mind thinks up a fictional basketball player, nearly always it’s a short point guard. I don’t know if it’s because it’s easier to identify with someone of average height than a seven-foot giant or because it’s easier to retrofit past WIP characters as basketball players if they’re short already, but there I have it.
Basketball positions have always been the most arbitrary of any in sports, even without the current NBA fluidity. If you don’t need to pigeonhole someone into a role because of athletic limitations, you don’t. If your “point guard” can shoot baskets, your “forward” can pass well, or your “center” is very fast, all the more power to you.
Still, I have a lot of short point guards in my mind. Not Muggsy Bogues (5’3″) short, but just 6’0-6’4 short.