Thom Hartmann has discussed this on his radio program. (Listening to his broadcasts is how I learned about Medium) I first heard about the phenomenon when an incel shot up a gym because he felt that the women there were ignoring him.
Thanks for sharing. 😊✌️ https://www.buzzfeednews.com/article/talalansari/la-fitness-tallahassee-yoga-shooter-incels-misogyny