(5.2.4.2) Group organization is not a hierarchical classification
I explained the difference between classification and group organization in (5.2.4.0) concrete example of group organization.
Many people try to classify pieces hierarchically. Jiro Kawakita strongly disliked it. He said the classification is tyranny and is not democratic.
Understanding the characteristics of the classification is important to make use of the KJ method. I explain further.