I was planning to make a similar comment. I don't doubt that a great engineer outperforms a mediocre one in productivity, ingenuity, innovation, whatever, but

I was planning to make a similar comment. I don't doubt that a great engineer outperforms a mediocre one in productivity, ingenuity, innovation, whatever, but living by this as your mantra, and making hiring decisions around it as if it were a scientifically-proven study seems incredibly dangerous.