Well I doubt they'd ever let the Alliance be led by a non human, so it wouldn't surprise me if he's there to stay. Have a whole other bucket of worms with what I think will happen with the Horde.
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... What?
My commentary was people are already deeming the character trash, when nothing has happened yet. A naaru in a book had a vision for Illidan, and in game the same Naaru said he was looking for Illidan. In game, the only thing we have seen of Illidan is in BC era, and then as a ghost where he says a quick comment. This is akin to in the Game of Thrones books, someone saying 'And it was fortold by my god that Hodor will learn to speak again and rule the land in peace and joy!', and then saying that Hodor is a trash character based only on that. It's silly.
You can't even have a reasonable conversation without insulting people or trying to say they're 'in denial' or 'hiding behind' things. You claim you know exactly what will happen based on something that's happened before and got changed, yet stick your fingers in your ears and stomp your feet when other possibilities are presented.
It's cool that you don't like what you think will happen, but try not to bash others for having a different opinion than you, okay?