The issue is that so long as you play the "performance" game, you'll run into Goodhart's law: > When a measure becomes a target, it ceases to be a good measure

The issue is that so long as you play the "performance" game, you'll run into Goodhart's law: > When a measure becomes a target, it ceases to be a good measure. All this data driven BS about impact is really just that. So much of it is just gaming the system.