When you break all of the windows you stimulate the glass industry. But when you are done you are at the same place as when you started, only poorer.
If the intention is to go full Socialist-Communist, at least go at it the right way, according to the two most prominent examples of large countries that have advocated such a command-and-control regime.
If the economic base of the territory once known as the United States of America get knocked down too far, it becomes a squalid Third World country with little immediate potential for exploitation. Hordes of starving and recalcitrant people tend to make occupation of that territory hazardous to the invaders. Consider the example of Afghanistan, truly one of the most blighted lands in all the world. They break empires there.