That's a fascinating question.
On the whole issue of KPIs and acquiring private data to improve KPIs and help them learn, to the extent that businesses use private customer data and that's part of their datasets, there's definitely regulation that constrains how businesses can use that personal data outside of the organization.
Within the organization, there's obviously.... You can't see social security numbers outside of HR. So with the fact that KPI data is being used to help train new KPIs or better KPIs, and the KPIs themselves can learn from this data, it could be limited to whatever is appropriate within the enterprise's uses of the data, if that makes sense.