No, a 4.0-4.5 is just right for it. It is bland and dull and uninspiring. It tries to be something it isn't, the gameplay is stupid (walk five meters to the left to get cover and leave the combat zone for instance), it is completely on rails with no room for player choice at all, oh sure you can use different weapons, but that isn't exactly choice is it? Regenerating health....oh hey, let's jump on the easy game bandwagon!
The graphics look okay, they are not amazing, but okay, they seem to have a muddy brown that all modern shooters have.