I loved Pei'er, too, though she didn't really have much choice, didn't she? And Anru really has the short end of the stick, but still keeps trying to save other people. Her relatives would ... maybe not believe her, but listen to her concerns and decide something was wrong in paradise.

Yue Yinchuan is the best! After Feizhan, maybe. Feizhan does get one final good memory of his uncle not being an idiot/asshole. (Dumplings.) Xun also really should've taken Feizhan up on the offer of escorting him to the Palace.

Depending on your definition of traitor, there's one other person who's the son of one and is shown to be not evil.