Feminism is an incredibly simple concept: "stop being mean to women." The idea that feminism could do any harm at all betrays a severe misunderstanding of either feminism or harm, if not both.
feminism has been overall a massive good force. I mean literally women didn't have the right to vote for like a billion years! Couldn't have finances in their name, in living memory. The gains are massive and outweigh being annoyed (as I am!) in the present day