It also doesn't hurt that advanced robotics (an area the west has traditionally done well in, sometimes being more advanced) has continued to have breakthroughs.

"lights out" manufacturing[0] can happen with more and more things. The humans in the process can become minimal (thus shifting more costs to fixed capital costs rather than variable costs)

[0]: https://www.roboticstomorrow.com/article/2016/10/is-a-robot-...