The most high-value people in a group are the first to leave as the group grows and the average value of the group decreases, accelerating the decline of the av

The most high-value people in a group are the first to leave as the group grows and the average value of the group decreases, accelerating the decline of the average value of the group. To prevent this you need structures in place to retain value for the highest-value people, e.g., strict policing on who gets to join the group or the ability to form groups-within-groups.