I was thinking it's more like pollution by oil companies. Profit from subsidized sugar, externalize the costs. We also put warning labels on cigarettes and make

I was thinking it's more like pollution by oil companies. Profit from subsidized sugar, externalize the costs. We also put warning labels on cigarettes and make them inaccessible to minors. Classify sugary "bread" as dessert cake instead. Additionally it's cultural: not all western countries have such rampant obesity. Smoking is no longer cool, and so on.