Yeah, I'd say that won't really help, but maybe they won't get as creative? Depending on whatever type of shit you did. My daughter is still a tiny little thing and won't have the same upbringing so hopefully I can avoid her doing half the shit I did. I'd rather her not end up with a record.
What? The witches in your world used a demon to kill their neighbors? For what? A bad looking yard? I've dealt with mutants killing people for the hell of it and humans killing us for fun, but witches are a new one.