Cause I totally invented the term "red fash" and that's not something that a fairly large portion of people already recognize and find to be a helpful concept?
Because authoritarianism, ideological purism, and militarism are sooo different when the people perpetuating them call themselves leftists. Not the same thing at all as the people doing the same things in the name of the nation-state, ethnoreligion, and capital. (/s for anyone who missed it).
Lenin killed a bunch of communists after they beat him in an election. But he called himself a communist, so tankies gobble his dick. Tankies love sabotaging electoral processes so they can claim it doesn't work.