It also means each time you create a new reactor, you never learn from past mistakes. Thinking that mass production causes more mistakes makes no sense when you

It also means each time you create a new reactor, you never learn from past mistakes. Thinking that mass production causes more mistakes makes no sense when you actually think about it. Cars/guns/airplanes/even furniture all benefit from mass production to keep costs and mistakes down. There's no reason why reactors would be magically exempt from it.