I think you're projecting your own background into my words. Adjust your bias from "parental decision to censor" to "things to think about and discuss" and re-read.
It's a synonym of "suitable" or "fitting". I don't really understand what you're asking. Are you expecting me to lay down some strict rules that people under the age of X must not be exposed to topic Y? I'm not American/religious enough for that kind of thinking.
What did you intend to be the consequences of appropriate vs inappropriate in the above?