You could also look at the weekly sales: http://vgchartz.com/hwlaunch.php?cons1=Wii®1=Europe&cons2=PS3®2=Europe&cons3=X360®3=Europe&weeks=80&weekly=1
You can see that Wii has a higher average out of holidays, and that it sold more in the holidays, so no.
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS