Seriously dude? You don't need to be a game designer or programmer or whatever to create this stuff, plus it's free, hence this is the one game where I feel like I can say, if you don't like it, then let's see you make something better.
I haven't tried messing around with Spark yet myself, but the more stuff like this I see the more I really want to give it a shot.
i don't think he was insulting the guys work just the game in general, the materials and lighting and everything looks pretty ugly.