One way to think about why Goodhart's law happens is because before incentivizing, you had an (implicit) causal model for why the metric drove the outcome.
- One way to think about why Goodhart's law happens is because before incentivizing, you had an (implicit) causal model for why the metric drove the outcome.
- But by incentivizing it you modify the dynamics and break the causal model.
- Since the causal model is implied, you don't even think about what you're doing as you smash it to smithereens.