I'm glad you take the time to re-educate those around you. It's probably the hardest thing to do, but ultimately the best way forward for everyone. Maybe I'm overly optimistic on the ability of education though.
What I find really suspect is her feeling like and calling herself a hero. Her reference to herself as "Joan of Arc". Also going public immediately.
I have been, more than once in my previous career, in a situation where a female engineer was actually in a real, abusive situation. I handled these situations "by the book". At one point I was asked by HR if I wanted to know the outcome. Of course I said "NO, but please let me know when she is doing better." I can't imagine feeling like a "hero". These were absolutely terrible experiences for me. I never sought out back slapping. I did seek out re-assurance from my father (also one of these god-awful male engineer chauvinistic pigs), and he was supportive. I can't even imagine going public with something like this. Something just strikes me as completely wrong.
And if you're going to complain about offensive public comments, don't post publicly offensive pictures with racial overtones. Sorry, it is relevant. It demonstrates a double standard.