I used to think that too. The problem with that formulation is that corporations control much of what was previously either unregulated or the province of gover

I used to think that too. The problem with that formulation is that corporations control much of what was previously either unregulated or the province of government in the sense of legal restrictions against government power. The public square is the internet these days. Freedom of speech is important enough that speaking in the public square should be protected, even when the square is seemingly owned and operated by a corporation... and probably especially then.