Because like you said she was animated in two episodes.
I don't get why this thread is limited to unreal girls... i feel like there are women 10 times more beautiful in real life than a digitally rendered image could ever match up to.
Our generation is highly sexualized. You see kids game having more and more sexy characters, same with cartoons, its just the way it is. Hell i was looking at porn at age 11, and master baiting by 12. Its just companies appealing to what people want.