trashing the telemetry data they're using to figure out what OS/ver people are using and bugs they are hitting makes you a real jerk
use their opt-out if you want
use their opt-out if you want
Frankly I don't trust the opt-out code to be (and remain) bug-free. There are, as far as I can tell from searching, no tests. So I feel more comfortable maintaining a patched version with the calls nooped instead.