I was just bringing this up as a possible thing the other day at work. It was always weird to me how marketed breakfast was. The irrational vitriol I received only further convinced me how much breakfast (specifically grains heavy) is due to marketing.
Caffeine too. People are proud of how addicted they are. I used to get headaches from it, I think a lot of people do, and there was just this wtf moment of "why do I abuse this stuff"? Great PR.
The war on drugs would be over in a week.