You consistently hit the nail on the head, old chap!!
Any more, and you'll splinter the woodwork!!
I agree, and WT also has a point-their must have been a considerable amount of research/analysis done before this decision (was/will be) made.
Dubai is a nice place to visit as a tourist, although I find these new "nouveau-riche" expats a little irritating, especially when you have to live with'em, pretentious brats....