Clearly, this is about using the health concerns of smoking to attack a certain class of people. Usually, concerned citizens against smoking are using it as a more general outlet for their obsessive compulsive busybodyism.
But now we see it being used on a more defined group in our society. Create social pariahs, blame them for some our economic malaise. And, hey, you know if there's a link between poverty and smoking, that it's just a matter of time before non smoking poor people take up the habit.
Smokers raus!
Of course, one could make the case that affluence leads to less incidence of smoking, and if you really were concerned about the health of the poor, you'd recommend making them affluent.
But that doesn't present as big an opportunity to fuck with people, which is what Fraser and his ilk are all about.