They are being 100% honest ...
There have been studies that show that many of the mental problems associated to old age (Alzheimer's, dementia, etc.) can be prevented or improved (both to a certain extent) by a variety of things including repetative thinking tasks (crosswords, suduko, learning an insturment) and minor physical activity. Brain Training was developed based on a book of excercises that was released for this purpose and was created (in part) by the author of the book.
Initially I was highly skeptical on the benefit of Wii Fit but this was from my perspective (someone who does an hour of cardio every day) ... When I started to think about it probably 95% of people in North America are in worse shape than I am and the bottom 25% will probably see some benefit from Wii Fit. Will it make them a fitness guru? Probably not but it may get them interested in fitness which may end with them becomming a fitness guru.
