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The pixel, for example, already has a secure yet user-unlockable bootloader. So do modern x86_64 PC's. Statements like these, claiming that only apple can properly secure a device (and hence that users deserve to be locked out), simply show astounding ignorance.

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The M-series Macs also have similarly open, but secure bootloaders.

Sure, but they were designed with that in mind, and have presence and authentication requirements, that, as I understand, are not retro-fittable to older devices.

My claim isn’t “it’s impossible to implement a secure bootloader that also has escape hatches”. I’m saying it’s borderline impossible to do that retroactively for a fleet of obsolete devices, in a way that doesn’t compromise security of those.

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