Because at this point every "ism" that me and my grandparents have seen over the years has gone horribly wrong resulting in the deaths of millions of people. Over the long term some may have worked out in the beta stage but in the alpha stage you end up with a charismatic leader and few people who will do anything and kill anyone to stay in power to see there true religion thru and that included the history of the first world western hemisphere countries of USA,Canada& Mexico.