I should have clarified, but yes it’s the windows GPU drivers. Though even on Linux, it’s hard to know what the proprietary GPU drivers do, but from what I read they don’t collect telemetry by default. Luckily Nvidia is developing official open source drivers now so we won’t have to worry about these things.

Also note that for the Windows Nvidia drivers, it’s fairly annoying to disable all telemetry. It’s not just an option in the installer. You have to use unofficial third party tools.