What does 3d printing provide other than a terrible house with unusable curved walls? By which I mean the walls of a house are one of the easiest parts to buil

What does 3d printing provide other than a terrible house with unusable curved walls? By which I mean the walls of a house are one of the easiest parts to build, you still would need exactly the same utilities, foundation, pipes, wiring, roof. And sure, square walls are boring, but they are boring because they work. and I would rather have stick built square walls than lumpy curved concrete walls. This is just ridiculous graft. The correct way to build houses for the homeless is this. https://www.nps.gov/prsf/learn/historyculture/1906-earthquake-relief-efforts-living-accommodations.htm https://www.nps.gov/prsf/learn/historyculture/1906-earthquak...