I'm going to hazard a guess that it was Frannie Zlotnick who led the survey [0]. As her research interests include gender and race stereotyping [1], I'm guessing that she objected to being lectured on the subject.
[0] https://www.wired.com/2017/06/diversity-open-source-even-wor...
[1] https://politicalscience.stanford.edu/people/frannie-zlotnic...