When social media chooses what to display in a user’s feed—even if the content is 3P generated— then it starts to look an awful lot like a publisher. Would you consider a newspaper not to be a publisher of its own op-Ed page? How about the old Reader’s Digest?
So a comic book store, by choosing what to put in the front of a store, is a publisher. Me, by choosing what Christmas decorations to put out front, is a publisher.
I wish people would simply learn to read a little law instead of routinely not understanding simple concepts.