First,
> The Japanese and Germans are not known for their wildly emotional thinking
Okay. But the French, uh, sorry, but IMHO, the French are "known for their wildly emotional thinking", e.g., French music, painting, cooking, ballet, wines, architecture, perfume, women's fashions?
Second, it's the French who have done especially well with nuclear power!
Doesn't match!
How? Why? How could that be?
Uh, a guess: From the old French kings to Napoleon and DeGaulle, the French have had, have put up with, relatively strong, maybe autocratic, governments.
So, the difference might be that the French have autocratic governments. Uh, right, Japan and Germany have had governments that were even more autocratic, that is, until the end of WWII. Since then, maybe France has been the more autocratic.
So, why might autocracy help in being successful with nuclear power and, in the US, our democracy has fumbled, dropped, tripped over, kicked, fell over the ball?
Obvious suspicion: The US has had (A) too many politicians, lawyers, and news journalists causing trouble just because they like causing trouble and (B) too little strong leadership, e.g., autocracies, able to make the decisions mostly via the science and engineering to get the real work done without being blocked, attacked, misled, dragged around, kicked, etc. by (A).
Just a guess, guys!
The evidence is sitting there: Emotional France has done well. Rational Japan and Germany, not so good. US, with plenty of science and engineering smarts, fell over the ball, might have been cheaper to generate the energy just by burning dollar bills in a coal plant! WHY??? Got a better explanation?