I wish obesity was as simple as described in this article. It is a consequence of a very complex interactions between the brain, blood, and the gut. Sugar-based cereals are an easy target, but then so is white bread, white rice, and white potatoes. Their impact is dramatically enhanced in the presence of fat as I will describe in my next book, Understanding the Zone.
Yes, at some point, we all must take personal responsibility for what we do each day with our feet and our forks. But the choices any of us makes are subordinate to the choices we all have.