>If we weren't talking about something as hot-button a topic as sexism in tech, but someone was all "tiny invisible biting demons? I just don't know about this so-called germ theory...", wouldn't it be fair to ask, what's their background in medical research?

Medicine makes concrete, testable predictions that are used every day. Sociology isn't there yet. Sociology, to me, lies somewhere between theology and medicine on the credibility scale. I wouldn't expect an atheist to educate herself on the finer points of of the Trinity and the Holy Ghost before taking her opinion on modern American Christianity seriously, for example.