Leftists do this. If they disagree with something they invent a reason to exclude it, even the memory of it. Who else does this uncivilized nonsense?
muslims
communists
nazis
tribals
animals who put down piss, musk and scat to erase other animals’ piss, musk and scat
You talk about regressive thinking — leftists want to live in caves. They are atavistic.
actually, that’s very true.