There are also some broader macroeconomic reasons that these philosophies took root in post-war Japan. The combination of a weakened currency and strong New Dea

There are also some broader macroeconomic reasons that these philosophies took root in post-war Japan. The combination of a weakened currency and strong New Deal style labor laws (that were proposed but thwarted by Detroit) was unique. Labor was cheap but politically dominant and materials were in short supply (I believe Shoichiro took power in the wake of a nearly catastrophic strike that gave him very few options beyond innovating on process).