Quite why the All Blacks were, by Hansen's estimation, 10 per cent off their best is a mystery they will try to solve next week before they head to Edinburgh.
The mitigating factors of the death of Hansen's father, or the emotion of it being Keven Mealamu's 100th cap, were both dismissed as valid.
The All Blacks, much as they did when they were similarly poor against Ireland earlier in the year - although that time they did escape with the win - blamed their preparation.
It has become the key aspect of their thinking these days. The test week is six days long, the game only 80 minutes: what they do before they reach the field is therefore critical.
The draw, of course, ended the prospect of setting a new world record of consecutive test victories - something captain Richie McCaw was irked about, but for tangential reasons.
"The thing that hurts," said captain Richie McCaw, "is the performance...you try to get better each week. This week we wanted to go out there and perform well and beat the Wallabies.
"I guess that we will reflect when we get home that its a bugger that we didn't get it right, but that is just the way it is from now and we have to fix it up."
Despite the doom and gloom, Hansen did make sure to praise the character of his team for at least nailing the draw. To have played so badly and yet still not lost the game - that took depth of character and the decision to scrum after the hooter, and get so close to snatching the win, showed how dangerous this side can be even when they are way off their best.