How do you argue with someone who’s confused a lack of emotional connection to a topic with objectivity and rationality? Say a topic profoundly affects you and those you care about, but not the other person, so you get angry and flustered and they seem to think this means you’re less objective as a result and it’s an easy win.
While I don’t disagree with anything you said, I’m not sure how this answers the OP’s question. At least without a little bit more elaboration on what assumptions you’re making and why you’re bringing up feminism specifically in this case.
Just to take a stab here though, I think you bring up feminism because more often than not men will discredit women because “women get emotional”. And since the men in this situation aren’t crying from whatever casually horrendous shit is being said in the name of “debate”, that to them, they think they are just and unbiased and have a more unbiased opiniom than women. Which ignores how men will often react angrily to a woman who buts into their conversation and not even realize that anger is an emotion too.