[COLOR=Magenta]I think that it is okay if it is there, but it should be illegal to sell it to someone under 18 if it is an AO game, and under 17 if it is an M game, just like X and R ratings for movies. It should also be clearly marked on the outside why it is rated that way, so that people can make choices that are informed.
Personally, I don't want to view sexual things. I don't care if its books, movies, games or whatever. For religous reasons, I don't want to be exposed to it. So, I have the right to make my own choices and I think that the rating system is good because it helps people make choices.
I don't think that the uproar over GTA:SA was wrong, though, because it was not labeled that the gamed contained (or could contain) sexual content. [/COLOR]