There's a phrase coined for this: Goodhart's law. C.f. http://rationallyspeakingpodcast.org/240-goodharts-law-and-why-metrics-fail-david-manheim/ http://ration

There's a phrase coined for this: Goodhart's law. C.f. http://rationallyspeakingpodcast.org/240-goodharts-law-and-why-metrics-fail-david-manheim/ http://rationallyspeakingpodcast.org/240-goodharts-law-and-w...