I think you've got the causation backwards, most people don't start off with extreme views, they start off far more moderate until they account their extremist

I think you've got the causation backwards, most people don't start off with extreme views, they start off far more moderate until they account their extremist group. Once they're in that group the become part of the self reinforcing bubble. > How much more effort would you have to put in to locate a similarly sized group of like-minded people who vehemently confirm and reinforce your views than you would now? That will be highly variable, but IME not too hard. The punk/metal scene used to have a lot of overlap with neo nazis so exposure was easy. I've twice been invited to migtow groups from people at my local drinking hole (a progressive club in a progressive inner city area), not to mention some other fringe but less violent groups. If your a social type of person that enjoys chatting with a wide range of people your often only one or two steps away.