If it is safe 99.98% of the time, 0.01% you get Onagawa, and 0.01% you get Fukushima, the new data point does not make the whole picture look safer. We are tal

If it is safe 99.98% of the time, 0.01% you get Onagawa, and 0.01% you get Fukushima, the new data point does not make the whole picture look safer. We are talking about a system that is mostly safe, but with a non-negligible probability of a catastrophic accident.