The Diagram as a Group

The thing that unites them all is, again, trying to execute the instructions of the diagram. So a win for any one is a win for everyone if it is following that document. We of course see this through caladan's eyes. This is the offshoot that he interacts with who is trying to kill elocar. And i believe the disagreement is actually more fundamental. You had a branch one way for the diagram, led by teravangian, which is dalinar needs to die at the hands of odium.