I heard it's so complicated that they have built up a reservoir of institutional knowledge and in-house expertise that would take ten years to reproduce. I've a

I heard it's so complicated that they have built up a reservoir of institutional knowledge and in-house expertise that would take ten years to reproduce. I've also heard this as the reason that if China were to capture Taiwan and TSMC intact (however likely that is or not) then they still couldn't run it competently without those people, or without those ten years of more work. I don't know if it's true or not, that's just what I heard.