https://www.youtube.com/watch?v=UqLI1xKc-L4
This is why autists are fantastic, been curious about this for awhile and yeah, any of us who give a shit about the state of games should not be installing modern multiplayer games at all at this rate. I would not be shocked if even Valve get desperate about the cheaters in their games and they go all in on anti-cheat spyware. Alternatively they may end up officially partnering with face-it.
TLDR: It's worth than anyone thinks, this video gives context and detail.
For AMD i'm not aware of such methods .
But for Intel there is the me_cleaner project but it seems to be dead(is a bunch of scripts that lets you modify the BIOS to remove ME/enable the ME killswitch bit, but it will require you to get an external programmer) but how effective it is depends on how new the CPU is.