It gives promising validation of a dietary pattern that lowers fat and raises carbohydrates. None of the bad things happened that people accuse carbohydrates of doing.
It will help people to understand that the weight gain we're seeing in this country is not caused by the lower-fat diets.
The take-home message is that lower-fat diets don't cause weight gain, and for weight maintenance this is a reasonable diet for people to follow. If we could just get people to maintain their weight, we'd be halfway there on this nation's obesity epidemic.