I like Fool Night's strong art, and its out-there idea of paying people to transform into plants. Unfortunately, the story also has strong political opinions about what's wrong with our current world, which would be fine except that the economics and politics of this fictional world just make no sense.

E.g. we're supposed to believe that a far-future apocalypse earth would still feature extensive credentialism; the prices and wages and income disparities and taxes don't make any consistent sense given the setting; everyone seems to be miserable for reasons one would expect to result in a revolution of the upsetting status quo; the economics of paying each dying person 10 million yen to turn into plants make no sense whatsoever, relative to alternatives like "spend those 10 million yen to produce oxygen with a cheaper method" or "just forcibly transform dying people without paying them". Besides, you can't pay 10 million yen per magic plant, but also show that individuals sometimes destroy or steal these plants and don't get caught.

And there's no end to these inconsistences. What the author depicts as a somewhat stable equilibrium is intrinsically inconsistent and inconceivable. And as such, there are no useful lessons to be drawn from the social commentary of this impossible setting.