The state allowing lethal force in defense of property is not abdicating a monopoly on violence any more than allowing lethal force in defense of life. In both

The state allowing lethal force in defense of property is not abdicating a monopoly on violence any more than allowing lethal force in defense of life. In both cases the state is allowing somebody else to use violence, therefore if one counts as abdicating its monopoly on violence then so does the other.