That, and additionally, if there's an opportunity to monetize data from (or derived from) telemetry further, companies won't hesitate selling it (or access to it) to third parties.

That, and additionally, if the data is stored, it's a question of when, not if, it'll become a part of some data breach.

To developers and entrepreneurs feeling surprised by the pushback here, please take a honest look at the state of the software industry. Any trust software companies enjoyed by default is gone now.