* Campbell's Law (a variant of Goodhart's Law) states that the more a metric is used for social decision-making, the more it will be subject to corruption which distorts and corrupts not only the metric itself, but the very social processes it was meant to measure *

I just had a friend complain to me about LeetCode, saying that it's meaningless since everyone just mindlessly grinds the problem sets.

I pointed out to him that it's called studying for the test.