There are other political views I oppose where I would want corporations to allow those views to be expressed on their platforms. For example, I'm opposed to a lot of economic conservativism. But I don't see it as being anti-epistemic, and I don't think corporations should suppress those viewpoints. Fortunately, that's not what is happening. I would be shocked if anyone had ever been banned from Twitter, Facebook, or Google News for promoting these sorts of views.
So the problem here is that all views are political in a sense, but views are not merely political. It's not rightist political views generally that are being suppressed. It is other, more specific types of views that tend, at this point in time, to be associated with the right.