The intersection of phones that have unlockable bootloaders, public-ish driver blobs and decent hardware is tiny.
What other phone would you pick?
What other phone would you pick?
I’m not an expert, but all the listed points there sound reasonable. If indeed only the Pixels support them, well, it’s too bad there’s not other, similarly secure hardware out there.
If you want Graphene level security you need to have the hardware for it.