This is no different from a Corsair docking on West Point when it should be hostile to him. In this instance the base should have been hostile to the base he docked on. It would have been had he been stopped by NPC's. To be noted he did dock on a base right next to the players that stopped him. So arguing that NPC's wouldn't have followed him there is moot.
Saint Del is considered a holy healer of diseases of children, but also as a protector of cattle.