When I started with GE Appliances we made everything that went into the product, the motors, the wiring, the elements, the compressors, everything.
When I retired shortly after they sold that business to the Chinese, we assembled some product from parts from China and elsewhere or imported the product from China or elsewhere.
I watched the destruction of the company from the inside.
Planned obsolescence combined with cheap labor. It was a paradigm shift some 4-5 decades ago.