It sounds like the owners are doing something about it and are not going to just let it rust away. They know what they have or they wouldn't have kept it for so long. Not sure how they got the carpet out without taking the seats out though.
The car is made out of steel not sugar cubes!! It is a 68 RoadRunner for god's sake not the Wicked Witch of the West!! "I'm melting! Melting! Oh, what a world! What a world!"