i honestly think you took what he said way too seriously.
it was an obvious throw-up of an idea, something he thought he'd try his luck at.
i just don't think you can spew bull **** at someone when all they're doing is taking advantage of one such generous return policy.
He should in no way be forced to think about others who may do the same just because a good deal that he may have interpreted incorrectly anyway happens to show itself.