Gears 3 got the same score from Eurogamer (different reviewer).
All we can ask for from individual reviewers is consistency. If this reviewer is generally not a fan of cinematic, heavily story driven games then I expect 8/10 to be among the highest of scores he gives for games of this ilk.
It is a rather perennial question: Do review sites get reviewers to review games in genres they don't like, knowing that the review score will be somewhat lower than if a game is reviewed by a genre fan? Sometimes I think reviewers should state up front their genre bias (positive or negative) for the game they're reviewing so that people can calibrate with reviewer's opinions.
“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.” - Bertrand Russell
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