Mm, perhaps I should change my mind on this one. I suppose my root objection is that such warnings are incredibly boring, because everyone in the world knows t

Mm, perhaps I should change my mind on this one. I suppose my root objection is that such warnings are incredibly boring, because everyone in the world knows that both heroin and cigarettes are dangerous. We're not living in the era of cigarette advertising; surgeon general's warnings are required by law. But that's a different sort of objection than the one I started with.