How can you say it would never work in the west when it did for many years? It certainly wasn't the workers who stopped it working.

I personally value stability and would prefer to stay in one place if it were more feasible. Training can be at all career stages, not just the beginning.

Japan, yeah, I don't want that. It's a unique beast with a lot of dysfunctions, both anecdotally from friends and all the stories online. I'd say the things you listed are outcomes from lingering cultural problems rather than causes.