Originally Posted by
Friendlyimmolation
The quest text does nothing to show that the spies created the conflict, merely exploited the pranks and hatred that was already there. The quest text specifically says "Beyond these simple japes." As in there are other things than the elves simply insulting each-other, if the night borne are doing anything, they are probably escalating the fights.
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Or "Your ten thousand year old warriors have to be trained in simple strategy by a human, lost on their homeground and had to be saved yet again by humans."
If you are going to try to insult elves based off of who has needed more help from humans, and you are trying to take the side of the night elves, you are going to have a bad time.