None. But at least its not all a stack designed to harvest and manipulate data from hardware to UI
Discussion
Do you have any proof of them harvesting data at the hardware level? Sources?
Most Linux users run Intel with ME enabled which has been proven to be a backdoor.
All of the issues I heard of are related to their software and that's why I use Apple hardware with free software
Bro. U wanna argue with someone that agrees with you. Why?