Oppenheimer believed that the modern state would, over time…

Oppenheimer believed that the modern state would, over time, lose its original purpose as an instrument of exploitation as the master and slave classes mixed with one another. However, Rothbard's economic analysis led him to conclude that the state would always be used to exploit the tax payers by somebody, even if it was not an ethnically separate group or descended from the original invaders, because those who benefit from the tax system have the collective incentive to increase taxation and to agree with each other on any pretexts they can come up with to do so, whereas the lower class has the opposite incentive. In the long term, the state will fail to serve the people because the people have to take time off from their jobs and family in order to argue that taxes should be lowered, whereas the upper class does not have to take time off to say that taxes should be raised--that is their job.