Particularly considering the incredible amount of investment France put into nuclear power since the early Cold War era - a strategic policy that was designed specifically to minimize energy dependence on non-allied regions and nations. As per this list, as of 2022, securing supply lines from Canada and Australia for the foreseeable future looks like a good idea.

Also, maintaining and building out their nuclear infrastructure would make them (once again) the leaders in European nuclear technology, which has very important implications in both civil and military matters - even moreso, considering how geopolitics are going all off-axis nowadays.