That’s sort of what he is arguing. As you go up from 100, “other factors” become more and more significant and IQ becomes less significant as a predictor of hea

That’s sort of what he is arguing. As you go up from 100, “other factors” become more and more significant and IQ becomes less significant as a predictor of health or success. Go below 100 though and very low IQs seem to be predictive alone of various poor outcomes. So it’s more useful as a diagnostic for deficiency than a predictor of exceptionality.