5 years ago the courts ruled that Trump could not block Twitter users on first amendment grounds. This same ruling could be used as a foundation to force a future government Fediverse server to federate with any other server and host all their unmoderated comments.
With Twitter, a user could still break the TOS and get banned. With a Fediverse server… Not so much. It’s as free as sending an email to the US government filled with nothing but 2mb of racial profanities.
Florida recently did just that with SB1718 and their agriculture sector paid a big hit. There is an H-2A visa system, but that is not filling the hole undocumented labor left. NPR Link