The verse addresses the Ammonites, a neighboring nation of Israel, and questions their occupation of the land of Gad, which was part of the Israelite territory. The rhetorical questions posed by God emphasize the injustice of the Ammonites' actions. By asking if Israel has no sons or heirs, it is implied that Israel indeed has rightful heirs to the land, and the current situation is a violation of that inheritance.
The reference to Molek, a god worshiped by the Ammonites, highlights the cultural and spiritual conflict between Israel and its neighbors. Molek was often associated with practices that were abhorrent to the Israelites, such as child sacrifice. This underscores the tension between the worship of the one true God of Israel and the pagan practices of surrounding nations.
God's message through Jeremiah serves as a reminder of divine justice and the importance of rightful inheritance. It also reflects the broader theme of God's sovereignty over nations and His concern for justice and righteousness. The verse calls the Ammonites to account for their actions and serves as a warning that God is aware of the injustices committed against His people.