Originally Posted by
raph
So in a way, they're promoting illegal activities, as are many duty frees around the world that are happy to sell you "multi packs" of cigarettes or offer "Buy X Liters of booze (beyond the limit) and get a free [enter random promotional item here]"
Perhaps the phrase "
indirectly encouraging" is better than
promoting in this context

At the end of the day it is down to the traveller to be aware of the duty free allowance for the country they are travelling to.