Reviewers Are Dumb.
It was for the Wii. If it were a PS360 game (With graphics to meet the console expectations) it would be sitting on a 85-90 Meta score.
End of 2009 Predictions (Set, January 1st 2009)
Wii- 72 million 3rd Year Peak, better slate of releases
360- 37 million Should trend down slightly after 3rd year peak
PS3- 29 million Sales should pick up next year, 3rd year peak and price cut