Post-men don't do it "voluntarily", by which I mean e.g. out of curiosity, whereas the purpose of advertisement QR codes is just that. "Wow, look an advertiseme

Post-men don't do it "voluntarily", by which I mean e.g. out of curiosity, whereas the purpose of advertisement QR codes is just that. "Wow, look an advertisement QR code, I should definitely scan it and see what they are offering!". Really?