How visible and gameable are the metrics, though? You'd have to ensure your metrics were better than some, worse than others, but NOT so much worse as to be dan

How visible and gameable are the metrics, though? You'd have to ensure your metrics were better than some, worse than others, but NOT so much worse as to be dangerous. Also, that sounds like a horrible amount of concerns for a developer. I'd like to build and ship code, not worry about measuring performance.