This is conveniently forgetting that China used Tesla as a template on how to build out its electric car companies, as it is now using SpaceX as a template to get reusable rockets going...
Actually, there's good evidence that it's the other way around. According to Elon, designing a car factory is 1000X harder than designing a car. According to Elon, the initial model 3 production was a big mess that almost bankrupted the company.
How did they turn this around? By building a car factory in China using local knowledge, then building an duplicate of that factory in Germany, and then building a factory in Texas that incorporated knowledge learned.
How did they turn this around? By building a car factory in China using local knowledge, then building an duplicate of that factory in Germany, and then building a factory in Texas that incorporated knowledge learned.