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TSMC cannot make 2nm chips abroad now: MOEA - Taipei Times
(www.taipeitimes.com)
This is a most excellent place for technology news and articles.
It is extremely complex, requires half a dozen countries just to do, and requires incredible education and extremely long work hours.
Why does it require long work hours?
Because in the country where they have the process actually existing, in the company that has the process actually existing, the culture of said country applies. Which means despotism, corporate fanaticism and long work hours.
And so no other country can do it because of that. Got it. ☑️
They'll likely want specialists from the one that does. Hence the culture.