One thing to note about the buildings in the article, is that they're all in fancy areas for shopping and tourists but not really places that long time residents want to live.
I would be more interested in knowing the stats for luxury housing across the whole city.
What're you talking about? The examples are: Columbus Circle, 157 W. 57th street, 65th and lex. The last one is in the heart of the UES old money residential area, and the former two are right where the fancy central park view housing happens to be. You know those rich kids whose parents are paying for their apartment in Williamsburg? Those are the places where those parents live.
I would be more interested in knowing the stats for luxury housing across the whole city.