From the article: "There is never going to be a perfect indicator of human development and societal well- being."

To paraphrase Marx, the point isn’t to improve how we measure well-being, but to improve people’s well-being. A society with no unemployment, poverty, taxes, or public debt — with increased sustainability and still no limit on income/wealth — would clearly make for a society with more well-being than anything in existence: "Overcoming Sustainability's Single Biggest Obstacle" (i.e., the political imperative to maximize output) here in Medium.