something does not add up
Normally, fabbing is/can be done in high cost countries because it is highly automated and highly profitable. Meanwhile packaging (even advanced packaging) is more labour intensive and therefore, relegated to low cost counttries. More so if done "at high scale/volumes"
when done in high cost countries is either as a boutique/R&D initiative, or for historical reasons, and this one seems to be neither.
so why indiana-USoA and not, say, monterrey-mexico? Only god knows.
and no, subsidies alone do not explain it.
only time will tell