It would protect them from prying outer eyes.
He didn't really care about who saw him use his powers at this point. But David, Kary, and even Kujaku had been vehement about keeping the secret for the time being.
He didn't understand why it was such a big deal, considering a few places had started outing their awakened, and North Korea had even recently flaunted theirs, saying if they had been the ones to be attacked by intruders, their awakened would have thrashed them.
He wasn't sure what they were talking about, with their intruder's comment, but he had a feeling he could trample on most awakened players outside the game.