Well, the advantages of graphite involve the spring action (reduces fading) and the reduced weight. Graphite also tends to loft the ball more. These sorts of things are not especially relevant in wedges.
You know, I am actually not the most knowledgeable fellow when it comes to golf. But somehow I do not feel any particular obligation to defend myself from such an aggressive insinuation of ignorance. Go start an argument elsewhere please.
Well spotted @GolfLug! I found this via Google Image search, taken from a Golf Digest piece.
Looks like that must have been the source material. So I was completely wrong about saying it was a "very amateur" player.
I'm not sure he is the ideal model though...