Inappropriate yes, sexist no (a "dongle" private joke can hardly be construed as sexist, seriously).
> one employer who (apparently, there is STILL no evidence for this fact beyond the anonymous pastebin!) fired one of the first guys on questionable evidence
Apparently? A blog post from their CEO not evidence enough: http://blog.playhaven.com/addressing-pycon/? Also fired developer commented quite extensively on HN: https://news.ycombinator.com/threads?id=mr-hank
> and another employer who fired the evangelist based on said freakout.
Probably less over the freakout and more over the DDOS they've been under since some of the "uncounted hordes" have decided the best response to mob justice was mob justice, SendGrid'd been unavailable for hours.