What does Micah 5:6 mean?

Will the Lord be pleased with thousands of rams, or with rivers of oil? Should I offer my firstborn for my wrongdoing, the child of my own body for my sin? Micah 5:6 - Modern Text Bible

(The people exaggerate, asking if extreme sacrifices would satisfy God. It shows their misunderstanding—they think God wants grand gestures instead of real change.)