> We're lucky if builders bother to do even a half-assed job slapping together thin sheets of drywall and formaldehyde-soaked plywood.
You are comparing cathedrals with regular living/working places. Cathedrals concentrated a huge amount of resources in them for ideological reasons. Regular living/working places are produced as cheaply as possible to meet the requirements. Both then and now. Prestige buildings get lavished with ornamentation and pomp. Both then and now.
The article talks about something different. It is comparing regular folks homes then and now, and describes how a particular art form is disappearing.