This seemed really surprising to me since I'm disgusted by those ads but I'm not a smoker so I wouldn't know about the craving. I guess the question is whether

This seemed really surprising to me since I'm disgusted by those ads but I'm not a smoker so I wouldn't know about the craving. I guess the question is whether to get people to quit or to prevent people from smoking. The ads might work for the latter but not for the former.