@jgilbert the fedi has the advantage that it's harder for the FBI to make broad attacks.
Unfortunately they have greater power to seize an individual's server, see here https://uk.pcmag.com/social-media/147933/watch-out-fediverse-users-the-fbi-can-seize-a-mastodon-server
Really, we need to hurry and get e2e encryption implemented on DMs. Then admins can shrug and say its not possible to obtain the private messages.