No manufactured system has regulation that is as elegant as that found in the human body, but we do have examples of good regulation in such systems. Take commercial air travel, perhaps the safest way to travel. Its safety is due to every aspect of it being regulated, and systematic investigation of the rare accidents that do happen. One could complain about the cost and inefficiency of the rules surrounding aviation, but those objections must be understood in context: the regulations make it possible for a sizable fraction of the world’s population to access almost any location on Earth
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