I think a lot of the attention (Hype) given to the decline of the suburb and Mc-Mansion style homes is just due to collecting stats and presenting them in a way that promotes the writers Ideals.
The Suburbs (and Mc-Mansions) will be back with a vengeance if and when the home prices (inflation) rebound (or some other economic magical miracle occurs, which is what it would be without the housing market)