So Reddit's a publisher (because most of the subreddits have various on-topic rules for posting) and my newspaper's a platform (because their rules for posting

So Reddit's a publisher (because most of the subreddits have various on-topic rules for posting) and my newspaper's a platform (because their rules for posting comments are what's prohibited). One of the problems with trying to use an actor's own policy to distinguish between platforms and publishers is that the goal of creating such a distinction in the first place is to restrict the ability of the actor to undertake certain policies.