> it doesn't make sense for anyone to build a second machine. Maybe it doesn't make sense for private parties, since it clearly makes sense for nations to not

> it doesn't make sense for anyone to build a second machine. Maybe it doesn't make sense for private parties, since it clearly makes sense for nations to not rely of adversaries for their supply chains. I would also argue that it your ability to rely on a competitor that is critical to your supply chain depends on which laws that prevent anti-competive practices are present in the relevant jurisdictions.