Well yes but smuggling is a very old occupation for a reason. People won't follow a law they think is illegitimate when they feel they can get away with it. So

Well yes but smuggling is a very old occupation for a reason. People won't follow a law they think is illegitimate when they feel they can get away with it. So it would work like the war on drugs. Cocaine is very common for a consumable "not an option" for importing. Hell that same circumstance of personal use is how the underground USSR blue jeans market came about!