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If you want to know what “rape culture” is, it’s a culture where someone could raise this idea and instead of a chill falling over the whole room, the other people either strain to pretend it’s a joke or gleefully join in. If you want to know what “social license to operate” is it’s that the idea that women at fraternity parties are targets to be intoxicated and sexually molested is so powerful that the guy that thought this up not only had friends willing to defend his idea, they agreed to help, and they believed that they would get away with it.