When doing family entertainment, you don't actually worry about kids. You know what you can't do. But in terms of sensibility and sophistication and wit and ambition, aim for your own taste level, and kids will - if they're interested in the subject matter - be glad that you did.
If the movie [The Hunger Games] were stylized violence that was pretty and fun and cool, which is great when you go see 300 or The Matrix, it would just be out of sync with the fact that they're kids.