[handedness]

Comprehensive verified boot with hardware attestation, a secure element, no dependency on USB for AEM. It's an entirely different ballgame.

Qubes AEM hasn't had an update in years, either.

[fsflover]

Perhaps you are right, and the hardware attestation is more reliable on a Pixel. However, doesn't it rely on proprietary hardware, unlike Heads? coreboot with Heads is not the same as Qubes AEM. Heads is updated regularly: https://github.com/linuxboot/heads/