It was possible that nobody expected the species most sensitive to the Holy War to be the seemingly unrelated fairies.
They didn't have any conflict of interests with other species, but they would be one of the biggest losers the moment a Holy War broke out. Perhaps this was why they saw everything the clearest from the sidelines. They were the first to warn humans.
They quickly published an emergency report, which was sold for a far lower price than its cost of publication. Information that many countries' spy networks were unable to obtain instantly became available for cheap prices. A lot of information was given to everyone.