There's a 0% chance that it will pay off in the long-term is true only if you assume that the current method of agriculture is sustainable in the long term, an

There's a 0% chance that it will pay off in the long-term is true only if you assume that the current method of agriculture is sustainable in the long term, an assumption which I think is a bit of a stretch given the growing challenges we'll have to face. Of course, "long term" is not a very precise measuring unit, but it's still one I'd place my money on.