So can you give an example of a crazed man-hating feminist woman engaging in a mass shooting? Or just of a woman engaging in a mass shooting (alone, not with a man) in the last, say, 10 years? 20 years? 50 years?

Because I can definitely give you examples of incels doing this. Not a huge amount, mind you, but at least some.

Half the country talks about feminism like it is an existential threat, including the millions upon millions of people who consume manosphere content.