No, they aren't, because accounts aren't federated. They're effectively banned from the fediverse, though, since once an account is banned, that very account can't be used to access the fediverse any more. Nothing hinders them to recreate the same accounts on other instaces.
I think, this is really misleading and also UI / UX wise pretty bad, as it clogs up the entire admin panel.
I see, since they're banned on their instance, that means they cannot access their account and then even the fediverse.
Alright, thank you for the explanation. Helped me a lot.
Wait, isn't a ban just for one instance? You say it's not federated, so...?
I mean, if any ban was network-wide, it means a malicious instance can start banning anyone for no reason, and prevent those users from interacting at all?
Also aren't instances supposed to have their own rules?
Yes. The users banned on other instances will not be able to access his / her / their instance from their home instance, as they're banned there. Sorry, I'm usually trying to explain myself way too complicated.
Hmm. So, right now, you could totally post in one of the communities on my instance, right? If I ban you, you can't do that any more, but you'll still be able to post everywhere else. But if lemmy.world bans your account, that very account can't be used to post anywhere any more.