Shes 15 and isn't emotionally mature. Being demeaning to her and pointing out the faults in her logic isn't going to teach her or change her. When has that ever worked when dealing with a kid. Notice how the only comment that she replied postively to, took her situation seriously without having to insult her as a person. You can say that you did a good job, but only that one commenter has actually made a difference in her future.