If I were them, I would try a non-technical (or at least mitigation) strategy: put a sign in their yard or on their front door that says "Sorry, we don't have y

If I were them, I would try a non-technical (or at least mitigation) strategy: put a sign in their yard or on their front door that says "Sorry, we don't have your iPhone" and a description of the problem and screengrabs/URLs of articles like this.