When I was growing up it was 'Communists'. Now it's 'Terrorists'. So you always have to have somebody to fight and be afraid of so the war machine can build more bombs guns and bullets and everything.
I now add farther that the apostle's argument is so far from proving it to be the duty of people to obey and submit to such rulers as act in contradiction to the public good and so to the design of their office that it proves the direct contrary.