Normally these kinds of terms appear on web services where the scope of disclosure is contained to the information you upload to the service (e.g. repos you upload to Github or posts you make to Reddit). Windows 10 is fundamentally different because the scope becomes everything the OS can suck up including everything on the hard drive and keystrokes from the keyboard.

You no longer have the option not to disclose something because anything that shows up on the PC may be fair game. Privacy is all about controlling who gets to see what information. Windows 10, being an OS, removes your ability to control what is shared in any meaningful way with its privacy policy.