Linux really isn't that hard to switch to. Then you can avoid stuff like this.
>inb4 muh gaymes
So dual boot and leave Windows for gaming only.
It is a botnet, it might not be Windows 10 levels of telemetry but the telemetry is still there. On top of that not patching Windows is a good way to get pwned. It is the most popular OS family in the world, it is going to be a target.
Mint is fine, use that for your general usage and leave the Windows as a toy/play OS. Otherwise you're going to be fighting a constant battle for privacy and control with your own computer (and it's not a battle you can win).
Just looking out for your digital/online safety is all. Do what you will.