stormfallen

There are many different laws with different countries. Don't forget that most (if not all) Fediverse instances are run by people in their free time with donations that just cover server costs. They aren't LLCs so there is always the concern about legal issues. Not sure if that is their motivation but could be part of it.

No but I believe there is something on GitHub to help subscribe to the same communities once you create a new account.