GE exported a lot of the Welch insanity. Anyone unfortunate enough to be forced into Six Sigma training will attest to the agony. This was through their own and licensed training orgs, their people who left to run other companies, and this guy, a sort-of Erdős-for-business that spread a lot of the frobozztik into other C-level offices. (No idea how much of it he came up with.)
https://money.cnn.com/magazines/fortune/fortune_archive/2007...