Estimation and story points are a planning tool. You use them as a way to plot out your road map and prioritize initiatives. The minute you tie them to employee

Estimation and story points are a planning tool. You use them as a way to plot out your road map and prioritize initiatives. The minute you tie them to employee performance, you've obviated them for that purpose. Now the only thing people will care about (including your TL's) is making sure they keep their "score" inflated. Like I said, perverse incentive structure.