Some people take censorship as something that only governments can do which makes sense because unless a private corp has a monopoly (or a bunch of private corps has a cartel) on your area of interest you can vote with your wallet, yes?
But this is what the ACLU says “Censorship, the suppression of words, images, or ideas that are "offensive," happens whenever some people succeed in imposing their personal political or moral values on others. Censorship can be carried out by the government as well as private pressure groups. Censorship by the government is unconstitutional.” https://www.aclu.org/documents/what-censorship
So I don't know where many of us (my hand is raised too) have gotten the idea that it's not censorship if private corps do it but apparently that's not the case.
I will say that clearly because of the power that governments tend to have that when they do censorship it is much more pernicious –– depending on a person's moral code and how it aligns with establishment views of course –– so maybe that's where the feeling comes from?