Except Fukushima was more of a "natural" incident, all the others have been due to human error, which can be a problem overcome, Nature cannot be so controlled, only by putting manmade barriers and safety measures in place.
At the end of the day the nuclear fuel is only used to generate heat to make steam in a lot cleaner and/or safer way that coal or gas does for this country.
It would have helped if they didn't have 20 years worth of spent fuel rods stored on top of the reactors. In a known high risk earthquake zone. These reactors are still spewing their guts into the sea, and will continue to do so for a decade at least.
The Japanese had contingency plans for evacuating Tokyo, that's how bad it was. Instead they just constantly raised the limits for safe exposure levels...