"A lot of those young people come from my world. One of them is my daughter, Allison. They can definitely take care of themselves, but you're right. They shouldn't have to." It was, in part, their need to fight the darkness in the world that had led to Allison's death. Of course the darkness had been in Stiles, and those kids would do anything for one of their own.
"So we'll thin out the battlefield for when they do decide to come out here, because some of them definitely will."