No leftists I know push for platform-provided censorship, because that inevitably harms left voices; eg: facebook taking down Crimethinc and It's Going Down: https://crimethinc.com/2020/08/19/on-facebook-banning-pages-...
(Writing this from the EU, where most of the people have watched the past US election season with... "amazement". Especially the way in which both sides seem to feel they are the oppressed side.)
It'll be interesting to see how EU/Western Europe copes over the next 20 years, if they cope at all.
Liberals are a dying breed.
ML's are probably the only ones who have any ideas of their own and support certain levels of freedoms at least.
That's a complete aversion to evidence.