In the case of pre-Islamic Arabia, the exaggerated self-perception evident in the poems drawn from oral lore, likely for the edification of the Umayyad ruling class at first, ended up being coopted (and almost certainly at least somewhat
in the Islamic period by Muslim scholars all too willing to see pre-Islamic nomadic Arabians as a society of brave and and honorable, but impetuous and ignorant, pagans, as Noble Savages (to twist a phrase) who needed the true faith to civilize and unite them, a people you'd be proud not to be, yet also proud to be descended from.
Translated Poetry