Earlier quoted context omitted.
We shouldn't really want a silicon valley. See how much trouble the US has trying to get meta to stop abusive practices to minors. Not having a silicon valley is a good thing.
The US isn't totally dependant on foreign states to have a modern economy. Delete the US and China and all Europe has left is 6 weeks vacation.
Ever heard of China? The US probably imports 50% of its industrial parts, machinery, finished products from China.
Europe also has plenty of big industrial companies, BASF, Bayer, German auto companies, pharma companies, French and Dutch agriculture, etc.
What do you think we all do over here? Wear wooden clogs, eat baguettes with wursts?