Good. They are a plague. However, I admit that occasionally, if I've forgotten my cup or couldn't bring it, I still use them. Rarely, but it happens. The solution I want to see, for both coffee cups and shopping bags - is reusable shared containers. I don't want to have to bring my bags to the supermarket. It's not just a matter of laziness or forgetfulness - sure, sometimes I forget. But it's also a matter of abilit…
Shopping bags need to be washed, too. Meat juices, being set down on dirty surfaces (bus stop, muddy driveway), left for a week in a house with pests or vermin, etc. Most people are not going to want to reuse someone else's reusable bag without laundering.
It's not a luxury product solution, sure. But if I was traveling to a poor country and everyone was doing it, I'd consider it clever and just go along with it.