Why do you think incels get so much more hate from people than femcels?
People hate incels for saying sexist things about women and generalizing them, yet when you go on femcel subs a lot of them are saying horrible things about men as well. Some femcels will call men "moids" and generalize them as being rapists and pedos etc. I even saw a few femcels celebrate the male suicide rate, hoping that it becomes higher. These types of posts on their subs will have hundreds of upvotes. Yet their subs rarely get banned, people don't really go after them to mock them like with incels.