[tjpnz]

Every GrapheneOS proponent I've seen has claimed that other devices are inferior to Pixel security wise, and that's why they're not supported. That always sounded a bit odd to me and certainly seems to have a bit more nuance based on your comment. Thank you for adding some clarity here.

[bwoah]

See their list of device requirements: https://grapheneos.org/faq#future-devices

[izacus]

There's really nothing odd that company that runs Project Zero also builds devices that are well secured.

[fsflover]

Qubes OS, operating system designed for security, doesn't prevent its installation on computers without VT-d. It will just warn you.