I would declare a mayday on his behalf. He obviously has a serious issue, so you'd be doing him a favour. Watch him scream then.
I once watched a gun-ho instructor from Moorabbin at a regional field cutting downwind circuits in the George-Jetson Sportstar, oblivous to the 20 knot tail wind on a 500 metre runway. The fact that he was touching down over half way down it should have made him realise... it didn't
