If you go to any city, you will find some human beings doing just this. They may use computers and other equipment, but the essential planning, coordination, and managing is always done by human beings. If you visit a large company, you will find the same thing. We absolutely do need planning, coordination, and managing. We have it.
People do it.
In particular, we must be the only ones who have a monopoly on legalized violence. Because we do our jobs so well, we must use coercion, violence, and armed police to force people to not compete with us. Governments utilize coercive power, the power of violence, the power that stems from the barrel of a gun, power over or against people, government power at the expense of individual power. Government is organized violence. Governments, over time, tend to do their utmost to eliminate individual power.