Yes, but all accidents (not just nuclear) seem to have simple, stupid, easily-avoided factors in retrospect. I know it's tempting to say "oh, if we just don't

Yes, but all accidents (not just nuclear) seem to have simple, stupid, easily-avoided factors in retrospect. I know it's tempting to say "oh, if we just don't do these 4-5 dumb things-- the risk is gone". It's s small risk, but boy the end of the tail in what it costs is pretty dang high.