I agree with the main thrust of what you're saying but feel compelled to point out that suburbs are much older than streetcars. See http://etymonline.com/index.

I agree with the main thrust of what you're saying but feel compelled to point out that suburbs are much older than streetcars. See http://etymonline.com/index.php?allowed_in_frame=0&search=suburb&searchmode=phrase http://etymonline.com/index.php?allowed_in_frame=0&search=su... for instance.