There are more than 300 million people in the US. This is definitely a shortage, but this isn't a "labor" shortage. This is a "we're not willing to pay you enough why does nobody want to work" shortage.
Counterpoint - sending people from TSMC that already have hands on experience will make things much easier for them.
If they only want people like that, then yes, they can't just divide the facility in two, like a cell. They'll need to train more.
Sure there’s 300 million bodies in America, many of them appropriately skilled - how many engineers are there with the requisite experience that are open to work in Arizona?
I’m sure they could send hundreds of their own experts - if those workers weren’t needed for existing operations in Taiwan.
It's wage + education + a shift in mindset, which basically means you have to put a lot of elites into prison to achieve that.
You are going to touch the cake of a whole generation of aristocrats.
If you are experienced with ASML machinery and are willing to more to Arizona, then you should contact TSMC, because they are paying over the market rate right now for those roles.
These Reddit-esque takes are not worthy of HN.