And when peers are told that if they don't toe the currently 'acceptable' party line or their own funding will be affected you get the sorts of peer reviews you see at the moment.  Only the most ludicrous of claims on one side are ever challenged while 100% is challenged on the other side. In real science that simply doesn't happen. In real science the challenges are more or less balanced and increase the further away from the 'middle' that you get.