Blocking a domain through kbin only blocks threads from appearing on your feed. You still see users from that domain and their comments, and they see you and anything you post since it gets sent to their server.

I think I’ve seen people comment on threads from mastodon, and maybe down the line threads implements… threads… as well, nothing’s stopping them really.

edit: also, as for

This thread is specific to Kbin, which is why I mention it.

We’re all part of the fediverse meaning someone from lemmy might want to participate on kbin magazines too. Not considering them when making decisions like this is a bit selfish.