Also, Fleur, methinks you need some Stage Design 101.
If you leave the Mortirolo for the end, we're looking at some 5-10 km of real racing. If you put it in the middle, everything's supposed to blow up on the Mortirolo, and then you get proper racing from there to the finish. Even when it barely works (like in 2011), it's still much better than the alternative.
It's one of the most basic tenets of proper stage design, and one of the most commonly ignored by organizers: don't leave the toughest climb for the end, or most likely nothing will happen before that last climb. It's basically the same as backloading a GT, only at a micro level.
Considering like 90% of all mountain stages in GTs are going to be decided in an explosive one-climb finale, I don't know why you'd prefer the Mortirolo stage to be yet another example of that.