Because once I get a product from a vendor, it's none of the vendor's business how I use the product unless I want to tell them about it.

Software vendors seem to think that they're entitled to this information because they really want it, but they're wrong.

> Telemetry is the in situ collection of measurements or other data at remote points and their automatic transmission to receiving equipment for monitoring.

https://en.m.wikipedia.org/wiki/Telemetry

Telemetry’s incompatibility with privacy is self-evident.