In practice though Westinghouse still bids lowest out of the politically viable options these days. Korean and French reactors are rather expensive.
People are buying BYD because they're better cars, not because they're forced to.
I can just tell you as a person from the Midwestern US that the whole "we'll get lower prices that justify unemploying a bunch of people" doesn't work out like they said it would, and that empowering a potential geopolitical rival doesn't really help either.