Does increasing the tax on alcohol count? I'm in favor of that (at least in the US), for basically the reasons given by Mark Kleiman here. Problem drinkers are a relatively small fraction of the population but they account for a relatively large fraction of the alcohol market - one statistic that Kleiman mentions elsewhere is that (in the US) half of all alcohol is consumed by people who average 4 or more drinks per day.
It's one of the more effective ways of lowering consumption. It's not the problem drinkers that cause the worst effect though - it's the casual drinkers that cause the most damage (for example by overestimating themselves and driving). Taxes would still work on most groups, so yes, it definitely counts.
As Multiheaded added, "Personal is Political" stuff like gender relations, etc also may belong here.