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.
That’s got huge “it hasn’t been disproven, yet” energy. That’s basically the “it’s not illegal” argument but for ideology.
It also has “MBTI is pseudoscience, you should take this online Big 5 quiz instead” energy