The reality is it's very hard to have objective performance. Salespeople somewhat have it, but even then you don't know the performance of the deals until many

The reality is it's very hard to have objective performance. Salespeople somewhat have it, but even then you don't know the performance of the deals until many years later. You can somewhat come up with it for VCs, but it takes many years to sort out talent vs luck vs good or bad markets. Observing the quality of decisions is by it's nature extremely subjective.