As much as I wish something like this would work, I don't think JO has a chance of success.
Imagine if a foreigner came into your life and told you everything you and everyone around you had been doing all your life was completely wrong and was harmful to your children. Not only that, but humiliates you in front of TV cameras for the world to see. You immediately hate the guy and reject anything he says.
At that point, it doesn't matter if he's right.
I believe that the only way this could work is for parents to embrace a healthy change and support it individually in their kitchens and as a community in their schools. They'd have to be willing to pay for it too.
"If you want to make an apple pie from scratch, you must first create the universe." -Carl Sagan