Why do some men behave badly?

Why isn't this thread considered sexist?

Is it normal to bash men, and taboo to say, anything negative towards woman?

Just checking. Need clarification.
#notallmen is about as useful as #alllivesmatter

and if this information is unimportant:

In the years since, the club’s mission has expanded, amid an onslaught of alarming statistics about the state of U.S. boys and young men. Yes, it’s still very much a white, straight man’s world, but these days, boys are less likely than girls to go to college, more prone to suicide and more likely to drop out of high school.


Studies show they have fewer friends, higher rates of attention deficit hyperactivity disorder diagnoses and are prime targets for both the torrent of violent language in gaming chats and the array of misogynistic, protein powder-hawking hucksters who fill young men’s social feeds with reactionary politics.


then whataboutism is a fine tact