In the browser? Yes.
Any chance this old bug from 2016 might be in play? Seems like the behavior I’m seeing.
Viewing this new user, for example, I see he’s in automatic group “wallflowers”.
When I click on that link, it takes me here (note URL):
But these are the only groups at this time (note: URL):
Maybe I’ve just really pissed off the database or something.