You talk about new projects based on Vogtle costs. You need to look at the Lazard lcoe for existing fleet which didnt have such delays.

Fukushima cleanup could have costed much less. Jp govt wanted it to be expensive.

"They dont want to build a nuke today but if their existing nuclear umbrella suddenly gets yanked away..." - again, it's unrelated. If you want weapons you can have some secret enrichemnt facility for that. Much cheaper. Npp without enrichment are pointless anyway for weapons due to parasitic isotopes.