Airbus is throwing away a pile of money on the white whale...it doesn't fit into airports! Add to that the fact that airports can't handle that many pax at one time.
Aviation authorites are also working on using new technologies to alleviate much of the crowding problems on the jetways.
One more thing to consider...the race to see who can hijack an A380 first! Biggest plane, biggest headline!
Boeing will also make a splash with the BC-17 if they get some orders.
Yes, if Airbus wastes too much money on that 'white whale' they're goin nowhere. But there is a way to fit these mammoth crafts into airports; folding wings. These were to be supposed to be incorporated in the upgraded 777 series but i dont know if Boeing indeed did this. And with regards to your hijack remark i think that is not a proper and fair statement. Any crazy hijacker can hijack a 747 and wreak havoc. It can happen in any aircraft and yes it would be horrible if it happened to an A380 but thats not Airbus's fault. Its up to the airlines and airport guards to make sure that doesnt happen.