Isn't that the one which - if it had been around as of the mid-1960s - would have nixed the Apollo moon-landing program?
No, it's the one of the good engineering practices that made Apollo a success.
I had a hunch that you'd move the goal posts...
...Anyhoo, this is the cryptocurrency frontier: I won't get captious over whatever principle you use to keep your own boat afloat. It's just that in the wide wide world of Big-Government Realville, the "precautionary principle" devolves quite easily into the "Nervous Nellie Principle" and/or the "EPA Shenanigan Principle." But as I stipulated, this observation ain't pertinent to the cryptocurrency frontier.