What you call “defending censorship” is perhaps better described as “defending free speech”. Forced speech is not free speech.
Amazon, Apple, Google, Twitter, Facebook, etc. are multibillion-dollar corporations that control a colossal share of online communications.
Let's not play pretend here.
Would you also say that tech companies banning ISIS is systematically oppressing members of one religion?
> that's the antithesis of free speech
It’s not. Companies enjoy freedom of speech too, but you’d force them to publish content they don’t want to publish. That’s the antithesis of free speech.