Indeed, and QR at least must be able to tell the difference between revenue and award pax from scanning the QR ( not the airline) code on boarding passes as OW award pax in J class are not permitted in some of their lounges.Knowing the relationship between QR and QF, I suspect someone would have gone to the trouble of specifically making sure a QR boarding pass, when scanned & shows up a P class would get an instant "Nyet".