Coming from Chicago, famous for its Economics, this article, and its premise are mystifingly inadequate for even answering why their metrics are so poorly used and misunderstood. I would go through and point out most of the utter lack of understanding and rigor. Soon this article, and its lack of scholarship will sink gently into the muck. Here is something to cleanse the palette:

https://www.nytimes.com/2012/12/10/opinion/krugman-robots-an...