“All a ‘true ActivityPub server’ is for is storing data, fanning out subscriptions and collecting incoming data for you to view. #ActivityPub was originally designed so that all of the data presentation layers—Mastodon, PeerTube, Pixelfed—would be specialized clients communicating with the generic server. But the first popular apps cut out the client-to-server part of the protocol, so people think you need a separate identity for every client application. https://news.ycombinator.com/item?id=45396517