I can see it both ways- I get what you're saying. It's definitely more realistic for Yuna to move on with her life and the normal ending provides a more mature, kinda somber but still pleasing and believeable ending. However, I loved the Good/Perfect endings, and rationalized them by thinking that so much of the game is over the top already- who is to say that miracles can't happen? I'm just a sucker for happy, anyway.