Easy there, slow down. Just because he mentions his final goal and the next step being in the same paragraph doesn't mean there's nothing in between. From his post: (emphasis mine).
So, after populars, we've got Hailey (blonde girl from twins group), Charlotte (shy girl you bump into in the hallway), Beverly (the girl always shooting basketball alone), the outsiders (Bills "group"), not to mention your teacher. That makes at least three more versions by my count (the one announced, the one for these chars, and the final).
Furthermore, it sounds like the dev is still interested in the game and having fun with it, so he may keep going past a 1.0, to explore the characters more in depth. He's hinted at possibly converting of Karly and Christy back to from the other side. Also, I'd like to see longer scene with the twins, maybe even falling asleep together (like you do with Alice).