Perhaps for their forecasted route uses, they would have had to buy many products which can result in a space expenditure at airports; or buy a bigger one. Remember not all carriers follow along what a manufacturer forecasts, it is usually the other way around. Thesedays companies try to be a step ahead to retain the maximum value for their product, giving their customers what they want and when they want it.
I.e. A380 might be a bit ahead, and thus so far, fit into Emirates' idea of the future or their potential uses, same with SQ
and anyone that purchse that plane.
ANA purchased 50 some odd 787's for their
potential uses, it goes with the territory.
The meaning of life is curiosity; we were put on this planet to explore opportunities.