Bootloader patching is just what you chose to use in your original false analogy. Letting apps verify the environment they run in is just as critical for the purposes of guaranteeing the digital identity. It’s all pieces of the puzzle.
It's not. I can guarantee my identity by e.g. scanning my ID card on a system with absolutely no secure boot chain. I can also guarantee a secure boot chain with my patched bootloader. Neither of these things require apps to verify the environment they run in.
It's not. I can guarantee my identity by e.g. scanning my ID card on a system with absolutely no secure boot chain. I can also guarantee a secure boot chain with my patched bootloader. Neither of these things require apps to verify the environment they run in.