Closed CPU's and Fabs Untrustworthy

[grarpamp]

https://boingboing.net/2016/06/15/intel-x86-processors-ship-with.html
Recent Intel x86 processors implement a secret, powerful control
mechanism that runs on a separate chip that no one is allowed to audit
or examine.

https://libreboot.org/faq/
Links being mostly on the billions of gates we know exist,
unfortunately not on the top secret ones we don't...