Agreed with a few here, have towed my car quite a few times different ways. this is a pre-l btw with the small front valence.
uhaul auto transport - backward - winched just above the hitch for low angle from single a-arm - put long strap on a-arm with forward point for cable attachment.
uhaul tow dolly - backwards (locked steering wheel after wadot approved securing method) - pushed onto dolly with dolly wheels low into driveway apron for low incline up ramps. (towed over 270 miles this way) with a box truck in front of the dolly for wind break.
flatbed towtruck - backwards - the incline of a flatbed is very high on most trucks and the rear is really the best bet for no rubbing against the body with a strap. I've had flatbed drivers put their rear wheels in driveway apron gutters to lower the incline.
i never found the decklid popping to be an issue, but i also wasn't towing at world speed records either. i like the idea of additional securing the decklid if towing backwards though. a lot of common sense, watch the cable as its pulling, if you see it getting close to touching the body, its a bad tow point or rigging, factory or not. The factory cars sat higher with taller tires than where many cars probably sit now, so keep that in mind.