Cool story bro. And I am one of the 9 people that worked on the team at Intel to implement your modern EFI/UEFI.
I just don’t have the time or energy to sit here and explain the whole fucking stack to a bunch of people who mostly could care less. But, Secureboot, it’s a good thing, and the tools on linux get better every hour. Check out lanzaboote.
This right here, AM4 motherboards are fucking annoying as shit.