IF only women should teach feminism AND should be equally represented across all fields (equal representation I’m all for btw!) then the only way to square that circle is to take the position there should be more female academics than men
Well, yes, if there's a feminism course, then yes, just like there should be more historians teaching on a history course, more mathematicians for maths courses etc...
You also run in to the problem that feminism could never be objectively true, if women are the only people can understand it, it can only be understood subjectively
Not really - the vast majority of us are never going to understand advanced physics, or chemistry, doesn't make it subjectively true to only the people capable of understanding it....
In my opinion, men can only teach feminism to the extent that anyone can teach something from a textbook - ie. at a surface level - like a non-native speaker can teach you Spanish, but you have to go there and interact with native speakers to really get good at it. In order to be a good teacher, you have to actually understand the subject, and men just aren't going to understand being a women in a patriarchy, so they're not going to be able to teach it to a high level.