There are people here who literally argue “it isn’t censorship because a private company did it”. Here’s a random example of a recent such comment: https://news.ycombinator.com/item?id=42787234 - other examples: https://news.ycombinator.com/item?id=42664998 https://news.ycombinator.com/item?id=41385109

There are really three separate issues:

(a) can something a private entity decides to do, without any government pressure to do it, count as “censorship”?-this is a definitional question

(b) is such private censorship illegal (in whatever jurisdiction)?-this is a factual question of what the law actually is

(c) should such private censorship be illegal (in whatever circumstances)?-this is a public policy question of what the law ought to be

You are talking about (b), whereas I was talking about (a)