Architecture, the sin of aesthetics.
This is a simple premise. You have a modern problem: we build as a form of consumption. From strip malls to new houses, everything is built under the pretext of commoditized sales, which, when distilled, manifest much of Modern Architecture (Architecture of the 21st Century) as a tool for consumption. Homes are built to be sold, and strip malls are built to house businesses to turn a profit. Nowhere in the mandate of Architecture is the concept of space considered any more.
That might seem contradictory. You think, “but space is all Architecture is, anyway. How can…