I've noticed "Crab mentailty" takes place after a betrayal is noticed. which drives the players away from focusing the fact that this is players vs game, not players vs players. Mia starts the chaos, it took only that much for humans to lose trust over each other.,(reply>), If it would still be in all their best interests it would,(reply>), There was no reason for them to trust each other after Mia broke that trust.