>But this is exactly the point. Catastrophes like Fukushima are practically always a combination of individual deficiencies in design, process, and operator errors. Designs can be improved, processes adapted, and people trained better, but that will not prevent accidents from happening. This is mostly because human imagination is limited and humans are fallible, and what‘s not covered by the previous two is lack of knowledge & understanding.

>I work in aerospace operations

It's odd you say this, since the entire aerospace industry exists because people at the time were willing to put up with the risks until we got where we are today.