Well, it's not only the boobs but the entire body type, face, and so on. It was just the obvious example why gnomes aren't children. On that picture of Elin most of us see a child, and if it wasn't a child why would they put in "child spirit" if they tried to make it something else, tiny sings of hips or not?
Do you honestly think anyone looking at that picture would see something else than a child?
---------- Post added 2012-04-19 at 05:55 PM ----------
Hehe, I think you are grasping some straws, since you don't know how humans respond to puberty. That's usually what in biology separates us from not being children anymore. Probably some information about it on internet or at library, and if you haven't reached your own yet I don't blame you for liking Elins since they are like most girls in your age.
Even though they try to mask Elin as being adults for some reason, it's a child, they add child spirit and when you look at them they look at children. Anyone looking into the game not knowing what it is would wonder why someone is playing around with half-naked children. It's as simple as that, and I wonder why they add it in games. In Aion there is option to have "childlike bodies" and in this game they make an entire child race and also the lack of clothes is what they want it to be (they added clothes cause they had to, right?), and showing up in clothes that's focusing what's between their legs. It's just wierd why people enjoy it and support it and it would feel wrong to hang around these people.