Remember officials often have electronics in their faces by Pultizer hungry media. If they get asked a obvious question your going to get an obvious answer. And lets give the lost pair some credit. They were well dressed and carried the single most critical item for their survival, the sleeping bag. They also called for help and followed instructions. So the mentallity that got them into trouble made the quantum leap into one to get out of trouble. Assuming some future soul reads about this and goes hiking on Adams, maybe they will dress in layers and bring a bag and cellphone?