Every now and then in the grocery store, a thought comes up: this is an exceptional circumstance. I can walk in here and grab as much nutrient content as I can

Every now and then in the grocery store, a thought comes up: this is an exceptional circumstance. I can walk in here and grab as much nutrient content as I can hold, for only a couple hours of labor? That situation is something that only appears for brief flashes in the natural world: when the ecosystem is tremendously off balance and some organism manages to capture the difference.