21:28-30 As for Ammon, the Lord said, it too would fall under His judgment (cf. 25:1-7).302The Ammonites were saying that the Judahites deserved destruction because of their wickedness. They attacked and plundered the land of Judah after the siege of Jerusalem. However, Yahweh would put His sword of judgment on Judah away to rest; Israel's enemies would attack her no more. Then He would judge the Ammonites in their ancient homeland.
21:31-32 The Lord promised to judge the Ammonites in the fierceness of His wrath and to deliver them into the hands of their enemies. He would burn up their cities and cause their blood to flow in their fields. There would be no future for the Ammonites, but there would be for the Israelites.
"To the Semitic mind nothing could be more terrible: no prospect of restoration, no continuance in succeeding generations, no memorial, not even a memory. Oblivion."303
