Everytime I read one of these "how to hire" posts, it's always a opinionated clusterfuck of a process that is arbitrary/capricious, gameable and biased towards what OP thinks are good traits.

This is a problem that is very easy to solve if you were allowed to use proxies for intelligence and grit. Just test for IQ and trait conscientiousness. [1]

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[1] IQ is a stronger prediction of on the job performance than anything else. https://www.steveloh.org/news/2020/5/27/best-predictor-of-jo...