I thought Dead Orbit's whole motto was "When the going gets tough, we get to going". The ancient enemy that caused the Collapse is here in this system. Cowards wait any longer and they'll lose their opportunity to run away.
-
They are helping the vanguard to set up an evac fleet
-
True but...where are they going to run too? The darkness is surrounding the system they have nowhere to hide, the darkness will find them and destroy them.