Facebook’s Female Engineers Claim Gender Bias (outline.com)

This outline.com breaks the back button. I suppose its submitted like this because of the paywall?

I don't work at facebook and have no idea about their process.

If code reviews were done with no knowledge of tho submitted the pull request, and the results of the study still concluded that females had higher number of comments and a higher rate of rejections.

Would it still be gender bias?