It would be if there was a real war with a lot of things at once. That statement is only true for peacetime "executive action" wars with a 100:1 force ratio. It is an auxiliary role that has little to do with how things would go if there was a war between somewhat equal powers.
The lessons of enforcing foreign policy on ten people who live in a country with neutral diplomatic status will probably not apply if you change the number ten or the neutral diplomatic status.