I imagine that both of those were quite a bit more expensive to build. The point isn’t that houses from the 40s are still standing. The US also has tons and t

I imagine that both of those were quite a bit more expensive to build. The point isn’t that houses from the 40s are still standing. The US also has tons and tons of those. The point is that the cheap, modular, assembly-line houses are still standing. Cheap usually equates to non-durable so it’s notable that these cheap houses are an exception.