HN isn't making any money off me, last I checked. And, as owners, the First Amendment gives them the right to publish or not on their own platform for any reaso

HN isn't making any money off me, last I checked. And, as owners, the First Amendment gives them the right to publish or not on their own platform for any reason or for no reason. The alternative to this is too horrible to contemplate. Re paragraph 2, yes. Mastodon largely fits your description of the ideal model, I think.