Why do package delivery companies in the United States seem to just leave the package on the doorstep when the person isn’t home. That seems like such an obviously stupid thing to do.

Pretty much everywhere else the package delivery companies would either take the product back with them and deliver it on another day or contact the person via the contact details they have and request a safe place to leave it. Most delivery companies will let you specify this when you make the order.

Or if it’s not bin day they can just put it in the recycling bin.