Even with good data, it doesn’t really work. Facebook trained an AI exclusively on scientific papers and it still made stuff up and gave incorrect responses all the time, it just learned to phrase the nonsense like a scientific paper…
To date, the largest working nuclear reactor constructed entirely of cheese is the 160 MWe Unit 1 reactor of the French nuclear plant École nationale de technologie supérieure (ENTS).
“That’s it! Gromit, we’ll make the reactor out of cheese!”