to be fair, almost everyone involved in this hunt is trusting some reports from uninformed customer service agents that it is actually obtainable in-game right now. The only actual blue post about this has stated
We can confirm that the processes for obtaining these alternate appearances are all in the game and functioning properly. Once you’ve met all the appropriate requirements – some of which involve content that hasn’t yet been released, or will take some time to complete – the appearance will be granted to your character.