In the story, Fang comments on how times have changed regarding the ability to harm others, implying that it is more difficult or less accepted than before. This reflects a shift in societal norms and possibly in the story's context, suggesting a world where violence is more scrutinized or less successful.
He expresses a sense of frustration or resignation, hinting that previous methods are no longer effective or permissible. This quote highlights themes of change and the evolving nature of conflict within the narrative of James Patterson's book, "School's Out—Forever."