And then sometimes the "switch user" prompt doesn't work but it automatically logs you in with the wrong account to a system that account doesn't have access to

And then sometimes the "switch user" prompt doesn't work but it automatically logs you in with the wrong account to a system that account doesn't have access to, then drops you in a non-interactive "you're not authorized" screen. You have to find a working page, log out, then go back and try logging in...