Earlier quoted context omitted.
I agree that we must incentivize packaging that's better for the environment. The problem is who gets to define "better". Cloth bags were once thought to be better than plastic for grocery use, but that might not be the case - the cloth has a larger environmental cost to produce (cotton is water-intensive) and has to be used a lot more than one might expect before it surpasses the basic plastic bag. And if the plasti…
Letting the price mechanism work (externalities accounted for) is a great way to do this.
Well yeah, that's kinda where the problem is. How do we price in all the different kinds of externalities for cotton bags and plastic bags in a way that is consistent and everyone agrees with?
Debating these externalities and how they should be accounted for is exactly the hard problem the parent comment was talking about.