The world's entire population could be easily housed and fed with only 30% of the current global labour output - our collective suffering is manufactured by capitalism.
https://www.sciencedirect.com/science/article/pii/S2452292924000493
@ianrogers I think that's a really conservative estimate; it's probably closer to 5-10%, and rapidly going even lower if we spent some of that labor intentionally optimizing it.