Quote The Penguin="The Penguin"I don't know why - he's perfect for it. Great temperament, compact technique, and scores more quickly than he's given credit for. He's the natural replacement for McKenzie.'"
They've said on commentary this morning he turned down the captaincy because he would have no say on the batting order. ie, the selectors/coaches said he was opening and that was that.
He has been left high and dry several times coming in no. 5 so you're right, it gives him every opportunity to occupy the crease for as long as he can.