Re: Wrong ingredients
"It also predicted that such a population would be unsustainable without extreme rationing. This is evidently not the case."
Extreme rationing is already in place. Food is rationed by the use of electronic and paper tokens that can be exchanged for food. Those lowest in the social order get fewer tokens and thus either have to eat less or eat lower quality food.
Harrison's other prediction that intensive food production would create dustbowls and lead to wholesale extermination of life in the oceans is also coming true.