I think that the possibility of abuse (which has happened), possibility of government requesting that data (also happened, plus people here tends to be not incl

I think that the possibility of abuse (which has happened), possibility of government requesting that data (also happened, plus people here tends to be not inclined to give their data to any government), and possibility of leakage (general leakage not happened with Microsoft, but there's state-level hacks) means that even telemetry is tainted with privacy issues.