“Plastic pollution is horrible for the world”
How, and how do you know? What harm does it actually do? If you assert that its mere presence is automatically harmful, you lose.
“The higher end stores do not provide cheep plastic bags, they provide branded bags so everyone know the tourist just went to a high end store.”
And those bags are about to become illegal too. Shopping-style plastic bags thicker than 1/100th of an inch are not manufactured.