That the whole article can be seen as a masterpiece of talking around the obvious while avoiding stepping on the mine. Obvious rules cannot be applied systematically because certain government metrics would look bad. Goodhart's law, any explicit metric will be immediately optimized. And this is people optimizing metrics as best as they can in play. I'll leave the obvious as an exercise for the reader.
https://en.wikipedia.org/wiki/Goodhart%27s_law