> mining enough yellow cake and then purifying it is an industrial scale operation, out of reach unless you are a nation state
or a transnational (or even national scale) energy and or minerals company.
Might be hard to slip past the shareholders, but dark projects have flown under the annual reports of several large players.
Highly unlikely. Just the energy cost of running centrifuges, let alone manufacturing them is impossible to hide. It's staggering when you consider it.
To put some more perspective, an LLM could show you how to make a Boeing 747 in detail, but the actual chance of someone making one with no tools and logistics would be 0.
LLMs haven't changed the economic realities.