More precisely, if only one of two occupants is there, then that occupant gets to decide if the cops come in without a warrant or not.
When folks side with Ginsberg to oppose Scalia & Thomas, then they OUGHT to look at the issue more closely. Scalia and Thomas are not idiots.
When you get arrested for beating the crap out of your wife, there are consequences. I’ve no real problem with this decision under the limitations posed by the facts.