One of the main drivers of notions like systemic racism has been the ban on public discussions of IQ. A psychometrician published some results in 1970 that caused an uproar in an early manifestation of cancel culture. Charles Taylor and Richard J. Herrnstein in The Bell Curve, published in 1994, point out that the connection between IQ and success or the lack of success is indisputable at this point. In the social sciences, there can be one study that suggests one thing, and another one that contradicts it. But, the effects of IQ on lifetime achievement is not like that....
