People make the best choices they can with the information available to them.

Malcolm Gladwell recently had a podcast about how McDonalds ruined their French fries when they got bullied into changing their fryer oil from stable saturated fats to unstable polyunsaturated oil: http://revisionisthistory.com/episodes/19-mcdonalds-broke-my...

I don't think The American Heart Association's propaganda campaign against stable cooking fats helps individuals make good choices for themselves.

Alcohol and drug addictions usually start with physical and/or mental anguish, not 'lifestyle choices'. I wrote about this recently: https://news.ycombinator.com/item?id=15024780