Disney and Eb understood they were designing for a social goal, meaning the physical layout was merely the "means to an end" and the end was a better CULTURE.
Here is a video of Disney explaining his Experimental Prototype Community of Tomorrow and why he thought a living platform for innovation was vital to finding solutions for problems.
Advance to Minute 9 to hear about EPCOT's original design. This was released two months before Walt died and EPCOT was downgraded into a continuous World's Fair exhibition.
Maybe recognizing good design is fatal? That's why we see so little of it.