Building nuclear power plants is not a science problem, though, it’s an engineering problem. Just because we can harness energy by breaking up nuclear bonds does not mean that we can do so economically, given the constraints under which we have to operate power plants.
And OP never disputed the science anyways?
Not the case I was thinking about, but here is a similar case:
The car driver did not have any legal grounds for not paying for the cabs, this only went to a court because they tried to accuse the cab company.