It might be prudent to offer the committee that we could provide a more detailed written response to your questions. It's not to dodge the question, but I think it almost merits a more detailed response than I feel confident to give.
The very clear objective here is to strictly prohibit and avoid directing this kind of stuff at people who are not of legal age. Where that age—19, 18—has been fixed by law by a provincial jurisdiction, below that there would be very strict prohibitions and efforts made to ensure that product does not make it into the hands of those young people.
It might be useful to come back with a little more verbiage than I could give in this discussion.