I would say that it is not hated per say by people but was just way overhyped. There is no way that it should have had all of those perfect scores when there are some major flaws in the game. Overall it is a great game, but just not as great as everyone had placed it.
End of 2009 sales predictions:
PS3 - 33 Million 360 - 40 Million Wii - 75 Million