I didn’t have the opportunity to see it up close, but I did see it from the airport a couple weeks ago. I can’t see this thing lasting, given the geology where it’s built. It’s all sand dune. The locals told me that the Palms and the other man-made islands are already sinking.
The things empty? Aren’t there enough camel salesmen who need showrooms in Dubai? Who in their right mind would rent space in that area of the world? However, if you do, make sure you and your staff have stainless steel turtlenecks and flak jackets.