What if those 8 people spent all of their wealth buying goods and services from those poor people? To spend all of that wealth, every fish would have to be cau

What if those 8 people spent all of their wealth buying goods and services from those poor people? To spend all of that wealth, every fish would have to be caught, every forest mowed down, every drop of oil burned, to have enough natural resources to spend all of that money. I'm sure I'm wrong and others will correct me, but I still can't help but feel it's in some ways good that the wealth is so concentrated it can never be fully spent.