It's unfortunate that America's most beautiful places have to suffer during the government shutdown. But Dan Brown saw something and did something. Cleaned some stuff up.
Side Note: Whoever just piled crap up in that bathroom is more at fault than anyone. Bring your trash with you. Does the floor look like a trash can? No it doesn't. You're at a national park don't you care for nature?
Political stunt? Sure, he's probably never getting paid for his voluntary duties but shout out to Dan for doing something.