You would think so.
Which is why nuclear's apparent negative learning curve in the west is such a surprise. https://archive.thinkprogress.org/does-nuclear-power-have-a-...
"Apparently negative learning curve" means from the raw data it is each plant is getting more expensive to build. Worse, when they analyse it, the main driver behind the cost increases doesn't appear to be government regulation or politics. It's all about construction and supply issues.
I can't help but think that in post industrial societies, maybe we are getting worse at building things.