Not to mention, most of Hagrid's is trees, which is easier than a big show building with intricate lighting effects and projections. Could Disney build faster? Possibly. But building a ride like Tron is inherently long and arduous.
Last it was talked about, I believe it was said the overlay's dead. Also that if they were to put Coco in, it would be as figures in the ride ala Disneyland's Small World.
I had a feeling the rumors I was told sounded fishy. They came from a DL AP I'm familiar with who claimed he had a source. Still, it was worth posting them here for clarification.
I understand, and I trust Martin more. He's not really a friend. Just someone I've talked to for a bit. He actually has a Disney Parks youtube channel.