Earlier quoted context omitted.
This is a strawman. Neither I nor the manifesto author has argued in favor of sexism. Why did you call out "white men" in an article about representation at Google? It doesn't make any sense when white people are underrepresented at Google. edit: Now the parent has edited their comment to remove "in favor of sexism".
Here is where the author argues for sexism (from his TL;DR) > Differences in distributions of traits between men and women may in part explain why we don't have 50% representation of women in tech and leadership. Discrimination to reach equal representation is unfair, divisive, and bad for business. The implication here is that equal representation of women at Google is bad for business. That women aren't in tech and…
Implying there are differences between genders (or races) -- something unquestionably accepted in physical contests -- is simply a basic truth, something that should be investigated so we have a real answer to know how much incorrect bias there is.