> why don't the very richest people in your city live in very expensive suburbs instead of very expensive high-density areas? Don't they? The only rich person

> why don't the very richest people in your city live in very expensive suburbs instead of very expensive high-density areas? Don't they? The only rich person that I know that lives in a penthouse is the dropbox CEO. Bill gates, Jeff Bezos, Andy Jassy, Mark Zuckerburg, Larry and Sergey all live in suburbs as far as I know.