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xkcd #2899: Goodhart's Law
(imgs.xkcd.com)
Alt text:
[later] I'm pleased to report we're now identifying and replacing hundreds of outdated metrics per hour.
God this is too real. One place I worked loved to pick odd company wide metrics too. Instead of just like "profit", 50% of our bonus would be determined by how low a % held stock was against revenue, globally... I worked in marketing. Needless to say the "bonus" did not motivate anyone.