Garfield nodded in the general direction of the voice. "I think it’s dictated by their biology. It’s pretty obvious from Bill’s conversation with them that they’re a hive organism. A large portion of the interior of the death asteroids is living space. Far too much, in my opinion, to be justifiable just based on personnel requirements. Every vehicle they have is either automated or has the same large living space. I think they need to live in large groups. They may get some version of agoraphobia or something if there aren’t enough of their brethren around."