Oh come on that's just too 'Carry On', you got to give it to him he had balls or maybe was using an invisibility spell and none of the opposing team saw him walking towards them..... If you don't have your hand up when walking through a live arena you're a target... it's simple. Goodness it's happened to me when I've been shot and I've not had my hand up coz it's get too tiring sometimes....
Why didn't someone from the opposing team just shoot him once? Coz maybe they didn't see him? Ergo, they wouldn't have known if he was alive or dead...? So he took his chances...
Is it going against the spirit of the game.....? Was he dishonest? Dunno...
Come to think of it.... it's too funny..... buy him a beer! lol