@taylorlorenz Not succinct, but I've documented a bunch of things great about ActivityPub/Fediverse/Mastodon here - https://shellsharks.com/notes/2023/11/16/hark-threaders-the-fediverse-is-good-for-you
Notably though, Fedi offers two things you can't get with traditional centralized platforms.
- Deplatforming / censorship resistance (you can't still be blocked by instances or removed from an instance, but you can always stand up your own and connect with the rest of the network that hasn't blocked you)
- Portability of your following