If you let the AI do the whole battle then it's certainly your fault. It's like letting your dog drive your car and claiming that it is the one to blame when an accident happens.
If the adventurers survive they'll offer to watch while you rest, saving you a long way back to the next safe resting place.
From the powergaming point of view it's more beneficial if they die, they have good equipment.
If you're evil you can get both benefits if you kill them just before leaving Dragon's Eye forever.
