But doesn't the government have a responsibility to help ensure jobs are available to it's citizens? That there is a food supply that is stable and won't collap

But doesn't the government have a responsibility to help ensure jobs are available to it's citizens? That there is a food supply that is stable and won't collapse with disruptions? That you have the industry to make tanks and planes in the event of a war? Turning everything over to the free market is not a stable solution.