@IAmNotGoodAtNames, that should be the case, except the alignment system has a lot of not necessarily realistic alignment between factions based on what I presume is the hypothetical (such as Half-Trolls being allies with Uruk-hai, or Taurethrim being allies with Fangorn).
There's still a few problems with the alignment system; one such is that Rohan is not mortal-enemies with Mordor despite nearly-every good faction having them as mortal-enemies.