Not exactly. I think WoW and WC3 are different animals and should take different approaches. WC3 is a single-player game, where the player can see all sides of the situation. WoW is a multi-player game, where players are encouraged to see things firmly through the lens of their chosen factions. When you play WC3, you’re not “an Alliance player” or “a Horde player.” You’re just playing that particular campaign, where Jaina is the heroine. If they whitewash Daelin Proudmoore in nuWC3, I feel like that would be trying to shove a WoW viewpoint into the RTS.
Daelin should stay as a racist jerk (I’d like to use a stronger word, but let’s stick with that), and the player of WC3 should be cheering for Jaina when she opposes him. No matter whether that player normally plays Alliance or Horde in WoW.