This. US deindustrialization can only be understood as a major political shift and, like all major political shifts in the world, it is the product of a conflation of multiple, simultaneous pressures.

Among these are: 1. political leaders exploiting the lucrative US market for foreign relation wins. 2. differential labor costs 3. differential regulatory burdens (health and safety, environmental, etc.)

Manufacturers have had all of these pressures applied and they've responded accordingly. Seeking lower labor costs and lower regulatory burdens is not merely simple-minded "greed." When competitors leverage these affordances they gain an advantage in cost, so others must consider following.