Nowadays, it is generally the parents who are supposed to worry about strangers, dangers, and rustling noises in the woods. Not children. Children mustn't be exposed to darkness in their stories, lest they be alarmed. Not, at least, until they are old enough for the YA section.
I wonder why we do this. Being me, of course I think that all the adult cautionary tales and safety obsession is connected to other ideas, which are connected to other ideas, which show us what some of the problems in the modern world are. I'm working on an article about that.