“Lean,” as it is commonly implemented, is not enough.
I believe ideas from Deming that are missing from many lean efforts would be helpful (Toyota applies Deming’s ideas to a much greater extent than those modifying Toyota’s practices for their organization).
Mainly what is needed is for organizaitons to more deeply impliment lean thinking. There is not a need to "go beyond" lean - the problem is poor implimentation not good implimentation of a management philosophy that has been overtaken by some new management ideas that were missing.
continue reading: Going Beyond (or away from) Lean Thinking?