

The clue of what ActivityPub is for is in the name: it is for publishing activities.
Some such activities could be that someone has written, updated, or commented on fanfiction stories. If you want to exchange that information between different sites, AP is very well suited for that.






















Pretty sure there is no law anyone has to use the wording “we value your privacy”. It’s more likely to be just something they put there to make more people consent to data processing.