Originally Posted by
Callei
From the Alliance POV, Varian himself was in talks to get the blood elves to defect away from the Horde and Jaina fucked it all up because Blizzard figures writing her as a psychopath with brain damage centered on the parts of her brain that deal with logical conclusions is easier than writing a mentally-balanced female, and got pissed off at her for it. Jaina's actions pushed the blood elves back into the Horde when Lor'themar was on the precipice of defecting from it, adding another nation of powerful mages to the Alliance's ranks and putting a huge hole in the Horde's magical arsenal.