A lot of the business culture comes from country culture. Korea has long been in the shadow of Japan so they're fighting a business case with the cultural appetite to best their descendants who have long been the epitome of automotive quality.
Germans are a very conservative group of people in general. They tend to favor stability and over engineer things.
It seems racist but they're fairly accurate generalizations.
1998 M3 Vert
1995 M3 Track Car
2008 335i - Retired