After watching this video about massive parking crators in downtown areas...
Parking Craters: Scourge of American Downtowns from STREETFILMS on Vimeo.

...I began to wonder if Houston is even really a city. A city, we must all agree, is about people, and Houston, a place that has, according to a man interviewed in the video, an astounding 30 parking units for each human being, is clearly about cars and centers of work. Houston is not a city but a massive garage.