Gordon refers to these people as "souvenir hunters." A souvenir hunter is someone who takes a small piece of a national park (for example a rock or a leaf) as a memento. Since the souvenir is so small, these people may not realize the damage they are causing; however, since so many people visit these parks, all the tiny "souvenirs" add up to a lot of damage.
One of the important themes is Hospitality, loyalty and vengeance, forgiveness couldn’t work because he didn’t forgive nor worse forgiven for what he had done and no one was innocent in the case
