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I genuinely can't think of a hypothetical situation right now that would be comparable to, but more alarming than, "hacking into a computer system we don't fully understand that is the only thing keeping us alive a mile deep in the ocean". Maybe "sawing at a rope keeping you and all your friends suspended over a deep canyon".
To say nothing of the fact that every successful time it's been attempted before, something has gone horribly wrong. As you're being informed.