We just got a cease and desist order from Philip Morris for carrying this.
It seems that the cigarette package (which you can't see on our site, and which has now already been replaced by completely different faux cigarettes by the good people at Archie McPhee) is too similar to a brand of theirs and they don't want to be associated with smoking babies!
No, really, they don't.
UPDATE: Looks like they're hitting a bunch of people with the same letter. Someone's busy googling at Big Tobacco!