I have trouble squaring "people can't do long term planning" and the existence of megalithic structures like the pyramids in Egypt and the Americas or even the Great Wall of China. All of which took generations to build. Especially calling that lack of long-term planning/executing ability "human nature". I have to wonder if there's something about the current material conditions that orients us towards short term thi…
Cathedrals might be more typical example of centuries long projects, although for me its not clear how expansions and renowations are delineated from initial construction