In any case, developers should get out of their nerd bubbles a little more. YES there are metrics that exist outside our field, but no, we gotta follow these outdated gurus who havent coded in a while, fetish-size complexity, come from a background incomprehensible to you and still stuck in old ways.

What are these metrics you ask? Here's a suggestion: The number of neurons in your brain that light up in response to dissecting a codebase. Because you get frustrated when everything seems important, (something that happens when you dissect hardcore DRY-ish code).