I think it's pretty hard to say that that cultural shift happened in isolation from the reduction in commercial advertising of tobacco products (due to legal ba

I think it's pretty hard to say that that cultural shift happened in isolation from the reduction in commercial advertising of tobacco products (due to legal bans in the 70s and 80s) and the associated increase in advertising of their negative effects (often paid for by lawsuit settlement money). Those companies spent billions to shape the cultural perception of smoking through direct advertisement and popular media.