Funniest sentence in the article: None of this is controversial.

Sure.

There's no discussion about how google only hires about 1 percent of applicants. So they're already self selecting amongst women who are above average when it comes to interest in the field. 

And nothing in the diversity memo about how having your coworkers make assumptions about you purely based on your gender rather than your work performance alone make might you less excited to work there. Nothing "natural" about being subject to mistreatment/stereotypical assumptions when you're an engineer just trying to do your job.