My proposal is hardly a ban, simply charging people for the externality. It would be up to the manufacturer to think of an appropriate mechanism to allow for deposits. Simplest way would be to use cardboard lined with plastic but that has its own issues
If the overhead is zero, it's merely charging people for the externality. If the overhead is prohibitively high, it's effectively a ban. I don't see any explanation of how to keep the overhead—in this case, the cost (time or money) of managing returns—low enough to be viable.
The other commenter's "just put a QR code" helps a lot, but it still makes household trash much more burdensome than the current "put it in a bin and someone collects it" system. How much would you pay to not have to take your kitchen trash somewhere and scan each piece? That's the overhead here.
