There's no need to be coy about it since obvious google searches bring up a quora question devoted to it and a reddit thread that is probably the original source (but not obviously about the doxxing from google's snippet). If you know an older discussion, I'd be interested.

My running across his identity is much of my motivation for this poll, partly because the clock is ticking on my ability to run the poll, and partly because of knowing the correct answer, though I can't explain that. The other reason is that the answer female is a reactionary shibboleth, which came up again on Yvain's blog.

I don't find at all plausible the possibility of an imposter. The possibility that it is always the same team is more plausible, though I think unlikely.