The people use a question to express their surprise at what they saw. Alternate translation: "I cannot believe these are really the people of Yahweh!" (See: [[rc://en/ta/man/translate/figs-rquestion]])
This can be stated in active form. Alternate translation: "For Yahweh has forced them out of his land" (See: [[rc://en/ta/man/translate/figs-activepassive]])