The PMs thought that their job was to figure out the customer issue and define what needed to be built. Thus, the reaction of some PMs to the change was: “What’s my job? What am I supposed to be doing?” Similarly, some on the engineering side just wanted to be told what to do; they didn’t want to talk to customers. As is typically the case in large-batch development, both groups had been willing to sacrifice the team’s ability to learn in order to work more “efficiently.”

