"The OS configuration and state (i.e. /etc/ and /var/) must be encrypted, and authenticated before they are used. The encryption key should be bound to the TPM device; i.e system data should be locked to a security concept belonging to the system, not the user."
See Android; or, where you no longer own your device, and if the company decides, you no longer own your data or access to it.
And if Linux$oft suddenly decides every user's system needs a backdoor or that every system mus automatically phone home with your entire browsing data, then, well, too bad, so sad of course!
I mentioned it somewhere else in the thread, and btw, I'm not affiliated with the company, this is just my charitable interpretation of their intentions: this is not for requiring _every_ consumer linux device to have attestation, but for specific devices that are needed for niche purposes to have a method to use an open OS stack while being capable of attestation.
See Android; or, where you no longer own your device, and if the company decides, you no longer own your data or access to it.