as I’m very tired right now, I only want to comment on one of the arguments/questions you brought up.
you’re asking for the difference between taking down content and providing information about users.
its very simple actually. sharing non-public data is a very different story than removing access to otherwise public information, whether it’s originally coming from Lemmy.World or elsewhere.
when we take down content, even if it’s more than legally strictly necessary, the harm of such a takedown is at most someone no longer being able to consume other content or interact with a community. there is no irreversible harm done to anyone. if we decided to reinstate the community, then everyone would still be able to do the same thing they were able to do in the beginning. the only thing people may be missing out on would be some time and convenience.
if we were asked to provide information, such as your example of a Texas AG, this would neither be reversible nor have low impact on people’s lives. in my opinion, these two cases., despite both having a legal context, couldn’t be much further from each other.