It's not "enough", but it really helps. It's highly correlated with a whole host of different positive life outcomes.[1] People argue over how important it is,

It's not "enough", but it really helps. It's highly correlated with a whole host of different positive life outcomes.[1] People argue over how important it is, and it's certainly not the only thing that matters, but yes, the general consensus is that IQ is meaningful and predictive. [1] https://en.wikipedia.org/wiki/G_factor_(psychometrics) https://en.wikipedia.org/wiki/G_factor_(psychometrics)