Yahweh’s oracle in Obadiah was addressed to Edom itself. Yahweh was going to make them the least of the nations of the world. They would be utterly despised. Their proud hearts had deceived them. They lived high in the rocks. They thought that no one could bring them down to earth. They could soar like an eagle, since their nests were in the high stars. However, Yahweh was clear. He was going to bring them down.
Yahweh, via Jeremiah, wants them to leave their towns and go live in the rocks and gorges. They should be like doves with their nests on the sides of mountains. The Moabites were very proud and arrogant, much like in Isaiah, chapter 16. They were, in fact, proud of their loftiness and haughtiness of heart. Yahweh personally knew about their insolence. They had both false boasts and false deeds.