Telemetry in the sense of automating the collection of useful data might be worth the effort, but there's no need to share that data with Google or Yandex. Con

Telemetry in the sense of automating the collection of useful data might be worth the effort, but there's no need to share that data with Google or Yandex. Considering sharing user data with some cloud service is reckless enough to cast a serious shadow on a company's intent and morality, even without an actual GDPR breach.