Vogtle had massive cost and time over runs because the modular design didn't deliver on efficiency, it did the opposite by having modules show up on site that needed rework. But the project management couldn't be allowed to factor that in because it would've shown everybody that you can't do this stuff on time and on budget.
Unless you can demonstrate that those problems are solved, there is no credibility to nuclear power. It doesn't need to be an endless discussion, the discussion has concluded that nuclear power is too expensive and too late to be relevant.