I am statistical kind of guy. One or a few unfortunate incidents does not move me to cause Americans to fork over an extra hundred billion for drugs or whatever. Heck that rationale could cause lots of things to be banned. The list would be VERY long. Pencil me down as a cold hearted bastard or whatever.
He readily pays for his trips doing this.
At the same time the local products his customers (mostly relatives and old friends) are shunning can and do get exported to Canada, frequently in packaging that suggests they were manufactured in the United States.
My argument is being counseled by personal experience and not ideology.