It's largely because of the free market. There is not really a nuclear "industry", nuclear plants are more of a government thing worldwide. Governments aren't a

It's largely because of the free market. There is not really a nuclear "industry", nuclear plants are more of a government thing worldwide. Governments aren't as good at the ruthless cost-cutting and decision-making that is needed to be competitive with the private sector. It's hard to imagine an Exxon-for-nuclear when you consider that nuclear fuel is impossible to acquire privately.