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The term "fool-proof" was banned by GE when I worked there, and was replaced by a term acceptable to the Society of Fools, or so it seemed.
Must I state the obvious? You need a battery-powered car in space, since there's no air. No mechanics, either, no Greg Brown, no Roger. It's not even clear what engine oil is best in space once you get past the Van Allen belt, though many will assert with religious conviction that a viscosity of 42 is best.
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools
On second thoughts maybe this one is more appropriate:
It is a well known fact that those people who most want to rule people are, ipso facto, those least suited to do it. To summarize the summary: anyone who is capable of getting themselves made President should on no account be allowed to do the job.
Now, I wonder who should have been sat in the driver's seat?
I watched the press conference with Musk afterward. That's an actual SpaceX spacesuit. Musk said they spent several years on it. "It was very difficult to make a suit that worked, and looked good". There's a dummy inside and it's instrumented to see how well it's performing. "The battery will die in about 12 hours."