Technically we could not do this. This is wildly inaccurate. The massive redistribution of population alone would be totally infeasible. And if everyone is

Technically we could not do this. This is wildly inaccurate. The massive redistribution of population alone would be totally infeasible. And if everyone is going to make due with what they can grow in their acre, how is famine going to be dealt with? Is everyone expected to become vegetarian? What about diseases? What about transportation?