I am becoming more sympathetic to this, too. Real liberals (not necessarily leftists, although perhaps so) need to start punching back, hard. Slippery slopes are real and we're on one.
The alternative looks like a replay of all the worst stuff from social repression to actual nuclear war-given the misinformation propping up the Russian invasion of Ukraine and nuclear threats.
Leftists are 100% part of the problem here in the US, I'm not sure what you would need to be smoking to think otherwise.