Most of the "green behavior" in the article is more about class signaling than about actually preserving the environment. Recycling[1], bag reuse[2], and similar behaviors in general don't actually make a significant difference. They might even be more hurtful than helpful.
1: https://www.nytimes.com/2015/10/04/opinion/sunday/the-reign-...
2: https://www.opb.org/news/blog/ecotrope/reusable-bags-only-su...