Hmm, I had to check this and came across this thread on Reddit. NIST has a standard for it, but the exact point is that _that_ can be influenced by them.
Also, somewhere in the thread, they mention that it is probably too hard to verify how it is actually implemented in the hardware.
Also, somewhere in the thread, they mention that it is probably too hard to verify how it is actually implemented in the hardware.
https://www.reddit.com/r/crypto/comments/klcx4p/is_true_rand...
I guess in security only the paranoid prevails...
Or it is indeed just a cool gimmick...