All of your points really arguments that support social media as publications. Or more to the point: they are a means to publish. Or, even more to the point: th

All of your points really arguments that support social media as publications. Or more to the point: they are a means to publish. Or, even more to the point: they could be seen as private publishers hosting the opinions of others in their own online publications. The affordances provided by social media to billions of people as to how they can publish and what they get to see are... really just editorial choices. Why is that contentious? Because that's exactly the one thing social media try to avoid: being seen as mere publishers. That would have massive implications: https://socialmediahq.com/if-social-media-companies-are-publishers-and-not-platforms-that-changes-everything/ https://socialmediahq.com/if-social-media-companies-are-publ... It's another argument why treating them as "public spaces" isn't much sensible.