I think that as a general principle, people don't walk around wondering how something is regulated. They want to know that it's regulated and that there are provisions, but they don't really care so much about how it's really done.
I think that it certainly does make sense that it would fall under the Tobacco Act. There's such a close association with the products. We're not talking about a gateway, perhaps, but we're certainly talking about addiction to nicotine, and that is the basis of the tobacco epidemic. In our minds, it would make sense that they be done within the same act.
That said, it doesn't mean that all the provisions need to apply equally to all products.