So the French are a mere drop in the bucket compared to that threat and risk.
I don't think nukes work like that.
The French had sufficient stockpiles at the start of the decade to end the Soviet Union as a functional nation, and double the number at the end of the decade. The fact that the Americans had more nukes, and so did the Soviets did not in fact make them more scary. If the French decided nukes were the last hope for national survival, that was the end of the matter regardless of what the Uk or Americans thought.