But even before her twins were born, before they’d done anything good or bad, Rebekah was told, “The older son will serve the younger one.” This shows that God’s purpose was based firmly on his own choice, not on anything the children did.
As far as the good news is concerned, the people of Israel are enemies, and this has been for your benefit. But as far as God’s choice is concerned, the people of Israel are loved because of God’s promises to the founders of their nation.