(5.2.4) You need to change your mental model for group organization
Group organization is an essential part of the KJ method to produce useful effects. However, many people do it in the wrong way. It makes the work of the KJ method useless. You should not classify pieces top-down. You need to organize groups bottom-up. In these two ways, the direction of processing is the opposite. Moreover, you do not have to be objective. Creation is subjective.