Truths
Niche Market? Yes....high volume sectors into crowded major airports.
Viable at the top of the business cycle?....Yes.When the cycle turns down yields decline as ticket prices reduce in order to fill seats.True of most aircraft but more so with the A380.
Makes the pax happy?......Yes of course it does...its new,shiny with all the latest toys and comforts.
Not quite a white whale...perhaps grey.
The 787...if it evers arrives....will knock some of the shine off and provide airlines with some greater rpoute flexibility.