That's not true. For example Japan has Plutonium for several thousand nuclear weapons, where the Plutonium comes from reprocessing of fuel of Nuclear Power Plants.
https://www.armscontrol.org/act/2018-10/features/japans-misg...
https://en.wikipedia.org/wiki/Nuclear_latency
Take Iran, which was hiding their nuclear weapons program behind a nuclear energy program. -> "Iran says its nuclear program is peaceful,[58] and had then enriched uranium to less than 5 percent, consistent with fuel for a civilian nuclear power plant."
https://en.wikipedia.org/wiki/Nuclear_program_of_Iran
> It's easy to say that "renewables doubled last year" when they go from "marginal" to "still marginal"
60% electricity from renewable for Germany is far from marginal.