If we declared all of the earth's resources as common heritage for all the world's people, and used the methods of science to construct and provide all of life's necessities for all people, then there would be considerable reduction in hunger, crime, war and poverty, not to mention unnecessary suffering due to lack of access of medical care or inadequate educational opportunities.
Ah, good ole' Jacque Fresco. I watched a documentary on him years ago and I almost bought into it. His logic is the same logic that used to make me wonder why people go hungry while food sits on the shelves in grocery stores collecting dust. Then I learned economics. He's a great engineer which is why he thinks like one rather than an economist. All he sees is that we need X tons of resources to have futuristic cities and also that we have X tons of resources in the ground. It seems like all we need to do is get from A to B, problem solved. Getting from A to B is the hardest part though. Who's going to be in charge? Who's going to do the work, when and how much of it? Those are questions that simply cannot be centrally planned as long as we have scarcity of labor and people with bizarre notions of being individuals. When we have robot slaves, he's going to be all set. Until then, stick to the engineering Jacque.
That being said, I definitely want a house that's been extruded, has no crevices or seams, that's positively pressurized and can be hosed out when dirty.