As people here are (or should be) well aware: any system can be gamed. You can never outsource all of your diligence to a set of rules. Thinking that this must

As people here are (or should be) well aware: any system can be gamed. You can never outsource all of your diligence to a set of rules. Thinking that this must be possible is folly. Important hiring decisions can't be automated. Scaling ladders neither. And don't overestimate the quality of your hiring/promotion decisions while you're at it: you suck at it and so does everyone else. What kind of people do you want to thrive, and what do you want your business to do?