alt Hacker NewsIIR, those "certain types of reactors" and their supporting infrastructure are (1) very handy for producing weapons-grade nuclear material, and (2) extremely difficult to operate (historically) without sundry environmental disasters.
Which problems make them considerably hotter - politically - than no-reuse type reactors.
That's an argument in favour of using such reactors in the EU, isn't it?
We need EU-level nuclear missiles and we need them fast. We also need EU-level nuclear-powered submarines and maybe carrier groups.