Government armies, police forces and fire departments are unnecessary for the most part. Governments with armies make war - for profit. Wars aren't started by private humans, who for the most part want peace and/or to be left alone.What about military, police and firemen?
That's all government.
Are they "useless?"
Everyone wants to live at the expense of the state. They forget that the state wants to live at the expense of everyone.
Privatize the Highways — and All Roads for That Matter | Mises Institute
Government-sponsored monopolies should be abolished where they seem to be most integral to our society.