Carole Cadwalladr: Facebook is desperate to figure out how to do this self-regulation. I really do think that what we see here is this accountability theater, it sets up this fake supreme court, which is using fake law, essentially, to pretend to use the tropes and mechanisms of a nation’s state, which is applying to a private company. At the same time, we’ve got no idea about how Facebook actually does content moderation, because i…