It's great that the person stated his opinion. I regard him much higher than hypocrites who think and act the same, but pretend to be 1000% pc.
It's not necessary to tediously counter-argue every single argument the author made. I'm sure you don't expect people to counter-argue overly long badly written texts by various political ideologists from today or the past. I'm convinced it suffices to just argue why summary is wrong or rather the opposite is true.
As a matter of fact, other people have done this work for us, so instead of arguing it suffices to do a literature research. (I'm sure you know how to google feminism and that you might have an hour or two time to watch Youtube) But I'm happy to bring my own crude arguments:
- people, both male and female, oftentimes don't do things because they think they are not able to do them
- teachers have a bias towards encouraging certain stereotypes
- the whole environment pushes certain behaviours and interests on people
Speaking for myself (being male) my Physics teacher said nothing when I told him in class that I'm going to study Physics. He was encouraging the other people who planned to study that or an Engineering subject, not me. Even my father discouraged me from studying it because he thought my grades where not good enough and that I wouldn't be that kind of person. Still I managed to study very quickly and successfully. During my studies I also learned, that my thinking is different than other peoples'. I think more in pictures, whereas my peers in Theoretical Particle Physics rather thought in texts.
At work I often get overtalked and still deliver over-average results because I emphasise being polite, use proper argument and I look 10 years younger than I am. This really sucks and this proves to me that if you are female, you are basically screwed if you want to do something engineering like because even Engineers don't act analytically but emotionally based on prejudices.