I wonder if there are any meaningful differences between an individual's comment section (even if on a public-facing service such as Twitter), where that indivi

I wonder if there are any meaningful differences between an individual's comment section (even if on a public-facing service such as Twitter), where that individual chooses what to censor, versus a corporate behemoth like Facebook choosing to impose censorship on all users of its Messenger - where the mediator of communication decides what to censor, regardless of what the participants want.