"why is everyone so scared of a little plot development in a Metroid game?"
That's NOT this issue he and some of us have. If it actually was just a little plot development, we wouldn't worry. It's the plot overwhelming the game, as happened to many other series.
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