However regarding Windows telemetry it’s indistinguishable from spyware - you have no idea nor control over the data gathered, measured and processed

Ah, so you're another one of those fear-mongers?

Here's the Required Diagnostic Events Fields (required telemetry) documentation.

Keeping in mind that it's anonymous - which parts of this are you so vehemently against sending to Microsoft?

That makes Windows telemetry fulfill all spyware criteria.

The shittiest spyware in history, I guess, considering it's all anonymous...