This is exactly my point, a properly designed molten salt thorium fission reactor is really terrible to build nuclear weapons (no nation would ever do it) and a

This is exactly my point, a properly designed molten salt thorium fission reactor is really terrible to build nuclear weapons (no nation would ever do it) and a Fukushima-style meltdown is literally impossible. The waste from a closed cycle breeder reactor only has to be stored less then 300 years and you can put it back into a mine before that if you want.