We tend to think of prefab housing as one of those products of the industrial age, like the videophone, that the world has not exactly rushed to embrace. Americans have no problem with mass-produced cars and mass-produced coffee. But show them a house that has been manufactured in parts in a factory, then trucked to the building site for final assembly, and they start to flinch. The prejudice against prefab may date to the earliest human notions about home. Say what you will about caves, they were definitely not factory made.
All the same, if prefab has never quite arrived, it...