Forty years to recognize the power of the Toyota Production System, but another eighty to actually take those lessons to heart (if ever). A major stumbling block is the adversarial relationship between management and labor in the US[1]. TPS relies on a high-trust environment to function.
A car plant in Fremont California that might have saved the U.S. car industry. In 1984, General Motors and Toyota opened NUMMI as a joint venture. Toyota showed GM the secrets of its production system: How it made cars of much higher quality and much lower cost than GM achieved. Frank Langfitt explains why GM didn't learn the lessons—until it was too late.
It's not specifically the relationship, it is a cultural difference that goes deep into society, not something you can change, certainly not quick. People are different and cultures are different, but these days you can't say it loud because it is considered to be racism
[1] For example, in current events: https://qht.co/item?id=21166923