That's only true if you want to claim that the "best" place to grow $randomFruit cannot be more profitably used doing $randomThing. Downtown San Francisco could

That's only true if you want to claim that the "best" place to grow $randomFruit cannot be more profitably used doing $randomThing. Downtown San Francisco could be the world best microclimate for tomatoes but it still probably wouldn't be worth using the land for that instead of an apartment.