Plus, money DOES allow you to hire outside consultants and teachers.
Decentralising the chip foundries is a necessary step, arguably one that should've been made long ago.
Hiring consultants and teachers (from where?) isn't going to help with the complete lack of engineers. It takes many, many years to build a workforce of engineers needed for what's being discussed here, and even then it's not guaranteed because it relies on getting young people to go to engineering school and get degrees in relevant specialties, and then work in industry for a while to gain relevant experience. This isn't something you can just throw some money at to acquire or develop.
Path dependence is a thing. It might be perfectly economical once you get there, it was just simpler to establish in Taiwan for whatever historical reasons.