inappropriate content can mean many things. It doesn't need to be blatant pornography to receive that warning. Just questionable/too sexual content, even in the form of words as with most I've seen (blatant porn sends you to ban land)
Terraria Community Forums
MiltVala
TheQuietBisharp
If you didn't want to know you probably didn't need to make a profile post about it.
Desucrate
It says "Inappropriate Content (Pornography, etc.)", not "pornography". If it was porn, Baconfry would be in banville.