also modern airplanes with modern software never crash.
https://www.cnbc.com/amp/2019/02/13/colgan-air-crash-10-year...
I still have no idea how the FAA approved the "software fix".
To me the bug is the corruption that allowed it to be deployed in the first place and the lack of punishment.
1) Don't use crappy Soviet reactors like Chernobyl; this should be a no-brainer.
2) Don't locate a nuclear power plant in a place where it can be flooded easily.
Other than the crappy Chernobyl reactor, I don't know of any inherently dangerous reactor designs, especially in Western nations.