masto - everyone does what they want, you connect to who you want, you disconnect from who you want, you either voluntarily submit to someone else's rules or you set up your own

cohost - no ads, no corps, but control is maintained via a small vanguard

twitter - 'to keep making money we've decided to embrace white supremacists, transphobia, anti-semitism - when that inevitably doesn't work out we're going to monetize more and more and more aspects that were once offered for free!'

bsky - 'we'll compete with the fascists by making the exact same product but Friendlier™'