For my people is foolish. — Jehovah answers the prophet’s question. The misery comes to punish the folly and sottishness of the people. It shall last as long as they last, or till it has accomplished its work of chastisement.
Related Commentaries of Jeremiah 4:22
Jeremiah 4:22
22 For my people is foolish, they have not known me; they are sottish children, and they have none understanding: they are wise to do evil, but to do good they have no knowledge.