I can accept that in the occupation period after the war of thorns there were blood elves soldiers as seen in the cinematic. but that is after the burning of teldrassil where the blood elves were not seen as participants.
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the only blood elf we see participate in the war of thorns is lorash and he dies before the burning and all the parts where lorash intervenes even in the novel he only attacks military targets.
clearly defending your allies in the middle of a war does not make you part of a war crime.
It seems that people do not understand that one thing is to commit war crimes and another thing is to be an ally of a war criminal.
I repeat neither the United States nor the United Kingdom are guilty of war crimes committed by their allies