I'm not against having some kind of service that users can install and enable for telemetry using these metrics, but metrics would be useful even if we never do

I'm not against having some kind of service that users can install and enable for telemetry using these metrics, but metrics would be useful even if we never do anything like that and they only ever exist on the users' machine: "Thank you for your ticket! Can you check your metrics logs if x, y and z are present?"