> collaboration requires trust and common cause Much more fundamentally collaboration requires communication. In a hierarchy, a manager is a fan-in/out point.

> collaboration requires trust and common cause Much more fundamentally collaboration requires communication. In a hierarchy, a manager is a fan-in/out point. It is essential that a manager knows what their team members are doing to effectively perform their role. Trust and common cause are also essential for effective collaboration. However, I’d argue that regardless of whether these are present or not, the statement in question has to be true.