It isn't UGC. It's UGC at the expense of regular content, and that's not what Miyamoto seems to imply here.
If Wii Music has better content down the line, it's likely more than Maelstrom would be happy.
A flashy-first game is awesome when it comes out. A great-first game is awesome forever.
Plus, just for the hell of it: Kelly Brook at the 2008 BAFTAs








