Most of money-laundering in the Gulf goes into cheap housing complexes.

The futuristic megaprojects etc. are another thing, turbo-rich Khaleejis feel obliged to invest into patronage of arts and sciences by tradition (and vanity, of course), but they're not the brightest bulbs usually, so it generally boils down to SHINY ARCHITECTURE, YAY. They are a bunch of Musks dressed in thawbs, in short.