So the thing here is Apple would never have announced the product and pumped it the way they have unless someone who at the time was highly respected said with

So the thing here is Apple would never have announced the product and pumped it the way they have unless someone who at the time was highly respected said with very high confidence that it could be done. Not only that, but a lot of other experienced and respected people would also, almost certainly, have looked at it and also agreed it was doable. For Apple to say now it can't be done in a timely manner means those people either got a serious black eye, or they're out of the company and the remaining people don't think it's doable.