It could possibly help someone else get one who has been struggling to find one. As someone else stated wii's are available in some areas and not in others. Although those were probably display cases he saw stacked up.
It could also have been that he walked in to a store (not needing a wii) and got lucky enough to find one and bought it before someone else could and then turned around and said I'll sell it to you for $330. It doesn't sound like he woke up early waited in line and bought one when he said:
"I'm selling because I already have one. I found some so I bought one specifically to sell."
While there is nothing wrong with a free market and him trying to sell something for more than it's worth. And he may not really be a "Dick", there is a certain amount of "Dickieness" in what he is doing.
Smash Bros: 2363-5325-6342 
