This is a good point. Feeds should be available in well-defined programmatic formats (such as RSS or ActivityPub) so that they can be processed outside the doma

This is a good point. Feeds should be available in well-defined programmatic formats (such as RSS or ActivityPub) so that they can be processed outside the domain of the app whose data carries them; if necessary this should be enforced by law. This would make it a lot easier for users to consume those feeds in ways that they control, and not that Big Tech controls.