Luxury housing is middle income housing with a doorman and better countertops. Luxury housing is built because it’s more profitable. But as new luxury is built

Luxury housing is middle income housing with a doorman and better countertops. Luxury housing is built because it’s more profitable. But as new luxury is built, older luxury just becomes middle income. Hell, in DC the luxury places are often smaller than older middle income apartments. Also in some cities, middle income people cannot afford housing period.