Second, I think your response deliberately discards context. If socializing at "dance class" made women think I was flirting with them, and I was thus disincentivized from going to dance class, I'd... what, be a poorer dancer? Britta's story is about a career problem, not a "not fitting into dance class" problem.
Finally, I think your response totally misses the point. You do not win any kind of rhetorical award for coming up with some kind of table-turning scenario about "feminist conferences", because those scenarios don't have anything whatsoever to do with Britta's experience. She wasn't trying to score points. She was explaining why a piece of standard advice given to people about making connections in their profession is difficult for women.
However, my argument was that if the situations were reversed, the outcome would be exactly the same. Go to a place where there are predominantly women (any dance class or even a Yoga class, feminist conference), and if you and I would try to "talk to them like we talk to men", many of them would assume that we're flirting with them. Or do my observations not concur with yours?