UEFI poses lots of dangers to users; it can (and is) used by manufacturers to block third-party operating systems, which allows them to lock you into using their own products, including their app stores, letting them restrict your choices and pick your pocket.
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But in exchange, UEFI is said to deliver a far more important benefit: a provably benevolent God, one who will never lie to your operating system about whether it is in the Matrix or in the real world, providing the foundational ground truth needed to find and block malicious software.
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