They find vociferous support in attacking "outsiders" for taking jobs that belong, possibly by divine right, to sons of the soil.
All elites are good at rationalizing their eliteness, whether it's meritocracy or “the divine right of kings.”
The doctrine that kings and queens have a God-given right to rule and that rebellion against them is a sin. This belief was common through the seventeenth century and was urged by such kings as Louis xiv of France. (See absolute monarchy.)