i have to say that i don't look at the grade of the game, heck most of my game have low grades. but its nice to have someone review a game and that tell how the game play is and what to expect. so what they give it a -1 for not being halo 3 i carry about what the game is and how it handles, in my opinoun.
yes i know how they grede a game does effect how people are going to buy it. still they're just letting you know what they think, like how a movie critics are or how you tell a friend what you thought of the movie or game. you shouldn't be getting offended by how they grade a game.