On Mastodon, as an example, modest teams or persons run unbiased communities or "instances" by themselves servers, and they have their own individual moderation rules. But they nonetheless really need to adjust to the ActivityPub protocol. The undertaking fundraising craze in 2024 is pretty apparent by now: Huge, recognized VC https://econopass.com/news/world/is-the-fediverse-a-threat-to-centralized-social-media-platforms/