I survived several years in a Six Sigma organization. The Five Whys was one of my favorite 'tools' despite the 'Black Belts' dragging the process out much longer than required.
I've never seen a methodology burn through more easel pads.
I've never seen a methodology burn through more easel pads.
Management is a domain with domain-specific terminology and jargon. It's not terrible, just not user friendly. 5 whys is at its core really approachable. You may need to find the guy with domain-specific expertise to answer the 5th why, but still understand how you got there.
We had one project where the office admins kanban'd the conference room. This resulted in rectangles of painter's tape with a white label inside that read, 'Projector remote'.
Six Sigma has some value, but most of it is branded logic.