It's complicated. Obviously nobody likes a tattle-tale in childhood, even the teachers/authorities are annoyed. Part of participating in a healthy society is

It's complicated. Obviously nobody likes a tattle-tale in childhood, even the teachers/authorities are annoyed. Part of participating in a healthy society is building strong connections and a surprising amount of that occurs surrounding shared shenanigans, keeping little secrets, not betraying your friends. I'm not sure where to draw the line, perhaps it's never really clear.