The values of the project should be kept in mind for all team members because the goal may change.

The lack of explicit discussion about why and how the mission had to change created a wedge between participants. Reminding team members about the values underlying the project — promoting sustainability, urban livability, innovation — could have helped bring all of them back into the fold. Instead, the team found itself split between those enthusiastic about the new goal and those who clung to the old one.

In 2013 Berkshire partnered with 3G, a Brazilian buy-out firm renowned for swinging the axe at acquired firms. Since 3G engineered the merger of Kraft and Heinz (Berkshire owns 27% of the combined firm) last year, staff numbers have dropped by a tenth.