Secure boot helps protect against evil maid attacks by checking hardware and OS signatures. If the boot process has been tampered with, the user can be alerted that the secure boot process can no longer properly verify signatures.
While its probably true that you can no longer guarantee that system can be used safely ever again, at least you will be aware that it was tampered with and you can go ahead and send that system to e-waste and get you a new system.
Secure boot helps protect against evil maid attacks by checking hardware and OS signatures. If the boot process has been tampered with, the user can be alerted that the secure boot process can no longer properly verify signatures.
While its probably true that you can no longer guarantee that system can be used safely ever again, at least you will be aware that it was tampered with and you can go ahead and send that system to e-waste and get you a new system.