get how beyond absurd this seems to you and me. Try to imagine a group of young conservatives banging on the door of a room where liberals were having a meeting - telling them the very fact that they were sitting there talking to each other was an affront to humanity that needed to be stopped. Never happen, right? Of course it wouldn't, because sane, well-adjusted people understand that not everyone is going to agree with you and you can't stop people of like mind from getting together and talking.
Nor is there any reason you should want to. People of different ideas and inclinations have shared the world since the dawn of time and it's nothing for anyone to be scared of.
But we're not talking about sane, well-adjusted people. We're talking about these psychos: