"When a measure becomes a target, it ceases to be a good measure." - https://en.wikipedia.org/wiki/Goodhart%27s_law https://en.wikipedia.org/wiki/Goodhart%27s_l

"When a measure becomes a target, it ceases to be a good measure." - https://en.wikipedia.org/wiki/Goodhart%27s_law https://en.wikipedia.org/wiki/Goodhart%27s_law It's normally used in the context of economic planning, but it's a law that "data-driven" engineering organizations ignore at their peril.