It’s funny that you use the NBA as an example. You are talking about a league with less than 1,000 players (aka less than .00001% of the population of the US, and players are recruited globally), and even still there are people who are that short who has lengthy careers.
As I understand it, and I’m not going to pretend to know everything about him, Sam Altman is not a successful programmer but a successful businessman. To assert that his success is even primarily due to IQ rather than being at the right place at the right time and having connections to the right people demonstrates a dogmatic deviation to the notion that IQ is all encompassing, when in reality is it consistently shown to be poorly correlated with success.