He knows, but he’s saying that on purpose, to make sure everyone who doesn’t agree is lumped into the "other"s and ostracized. It’s the same reason Trump is still blaming the “radical left” for Kirk’s shooting, even though the shooter is by no means leftist.

Whenever you hear “the left”, think “Emmanuel Goldstein”, except less Jewish (because somehow the Israelis are on the same side as these people)