Well, the same "political poison" argument that the article advances against "degrowth" can also be applied to your proposal (or any other proposal that benefit

Well, the same "political poison" argument that the article advances against "degrowth" can also be applied to your proposal (or any other proposal that benefits the environment): if they are followed, plastic gets more expensive, and all opposition parties will blame you for making people poorer because they now have to pay more for every single product packaged in plastic (conveniently ignoring of course that there are other ways to package products). The sad truth is that the environment doesn't vote in elections, people do, and people are generally selfish...