"Yabbut some threads just attract trolls. Often, trolls disguise themselves as Reflective Posters and it takes us a while to catch on. Or else, we believe in giving people the benefit of the doubt, and we do, until it becomes clear that they are just well-dressed trolls..."
Christopher Woodman and Homprang Chaleekanha in July 2007 in the Wind River Mountains. Trolls thrive in that sort of environment.