. His manifesto goes into extreme detail on how much he hates men. From can: "He also said he despised men who had luck with women and said he would eliminate them, too. 
 "I will kill them all and make them suffer, just as they have made me suffer," he added. "It is only fair."" . How can you imagine that this isn't gender-based violence on both sides? This wasn't "I'm going to kill the sorority girls, and any security guards who happen to be in the way" - this was "I'm going to kill women because X, and I'm going to kill men because Y". Both genders were targeted, explicitly