Yes, the American Left is authoritarian, totalitarian even.
I can’t blame them. After all, you can’t have a cultural revolution without real, honest to God coercive power.
Their control of public discourse is absolute. They achieve this with an elegant simplicity: their polemics are all variants of the classic trap, ‘When did you stop beating your wife?’
Once you realize that, you can begin to work out ways of evading their rhetoric.
If you don’t realize that, then their rhetoric is for you.