Now, fair warning if you're watching this at work, the ad involves a bit of hot guy-on-guy action.
Apparently only the two actors involved and the camera crew knew how the story would pan out, and the rugby team extras are a real rugby team. Check out the reactions on the guys faces. (Oh and one of the guys, the one with the tatts, I recognised as a reasonably famous gay porn star.) I don't think it's a particularly good ad, and the Surprise Gay! thing is somewhat amusing on one level, but a bit... well, homophobic.
Maybe I'm being humourless about this, what do you think?