The Wiki page is voluminous enough to approach gish galloping, and the Talk page is almost as big https://en.wikipedia.org/wiki/G_factor_(psychometrics)
Asking because someone in another forum basically said that while IQ might be discredited, “g” is valid.
oh that’s why he thinks he’s qualified to weigh in on psychological shit — he’s an AI researcher who specializes in Bayesian networks which is a pretty strong signal for him being a Rationalist, especially when you look at some of the topics of his research
e: god the titles of a lot of these papers sound like LessWrong or slatestarcodex posts