Much that was said about Japanese management style in the 1980s--with its supposed Zen focus and greater sense of process than outcome--was pure buncombe.
The information about Japaneese management in the 1990s was correct. 
mnli hypothesis: The information about Japaneese management in the 1990s was correct.  premise: Much that was said about Japanese management style in the 1980s--with its supposed Zen focus and greater sense of process than outcome--was pure buncombe.