A whole new meaning to 'fire insurance'

This story was pretty amazing to me -- AIG sent a firetruck to protect from Idaho wildfires some expensive homes that it insures. I hate to be the one to mention this, but does a proactive measure like this create the possibility of extra-contractual insurer liability if any of the following occur? a home that is both insured by AIG and is within the area protected by the firetruck burns down; a home that is insured by AIG but outside the area protected by the firetruck burns down; a home that is not insured by AIG but is inside the area protected by the firetruck burns down; AIG-insured homes burn down in some future wildfire where a firetruck is not dispatched. I know what some will say -- spoken like a lawyer! Remember, however, I grew up in a small town and have also be