Data also needs to not be shipped to a third-party (e.g. Google) to be correlated with other activity outside the app sending the telemetry. There's likely lots

Data also needs to not be shipped to a third-party (e.g. Google) to be correlated with other activity outside the app sending the telemetry. There's likely lots of data going to Google Analytics that the software/service owner never looks at, but Google uses for their own purposes.