"And I further suggest that complex science is not well served by an op ed - declarative statements of reduction when the actual science is complex and contested."

At this point in time, the preponderance of evidence is that there are biological differences. That doesn't deny that there is a lot of overlap, and it doesn't deny that in the individual, those differences are the only factors to take into consideration.

The author of the "manifesto" clearly points this out, but much of the reporting on it has incorrectly portrayed the document as saying "women can't be software engineers", as opposed to what it was actually saying, which was "not all biases are social constructs, and in it's diversity program, Google has been ignoring science, and numbers" (20% of Google's engineers are women. 18% of graduates in the field are women).

Demore also goes out of his way to point out that there IS sexism in tech workplaces (including Google).