I think that's an overstatement. It's not 'marketing before intellectual honesty' to point out that we should be extra-wary about analyses or materials by ideologues for whom the results are part of their identity (Sailer repeatedly talks about white identity and how it's a shame there's no White-with-a-capital-w solidarity in the way there's Black-with-a-capital-b solidarity) which is just one of the many deductive fallacies with perfectly valid statistical justification for using, or that quoting approvingly such people will ceteris paribus put off other people with extra reason to distrust such people.
In all fairness, "loyalty" and "identity" are core moral foundations for "conservative" or "right-wing" politics, and Sailer is often cited as a member of the so-called "alt-right". "Race", i.e. skin color, is a very salient feature which tends to correlate (at least in the United States; we would see very different results in such places as Brazil) with the kind of cultural distinctiveness that tends to create and sustain ingroup biases. So, it's not very surprising that the 'alt-right' would b...
If it's worth saying, but not worth its own post, even in Discussion, it goes here.