Are We Ready for a Quality of Hiring Manager Metric?

When will we have more robust talent acquisition metrics which give a more end-to-end view of talent acquisition and all of the stakeholders? Today, we just have a quality-of-candidate set of metrics. What if we have a suite of quality metrics which spanned the process and all of the key stakeholders? The metrics could include the quality of: candidate, hire, hiring manager, recruiter, and process.