Naah Rayquaza is actually quite cool ;) He's probably inspired by the Chinese dragons..
That's kind of where I'm coming from. It's like everybody has them, so they aren't really "rare legendaries". If all pokémon suddenly would go real, like, Dialga, Deoxys and Arceus would be the most common ones in peoples teams... Did Gamefreak mean for us to use them this much? They are, after all, the strongest ones, and they can be obtained in one way or another.