You should ask the French politicians who passed a law to turn off ALL NUCLEAR PLANTS back in 2015: https://www.bloomberg.com/news/articles/2015-07-22/france-to...

No plan for a backup, those aged reactors more than served their time.

The word you're looking for is "Incompetence". It is also poetic that the present fleet of French Nuclear plants was built to wean France off another energy crisis in the aftermath of the oil cartels moves. It seems history repeats itself for those who dont learn from it.