11. God in righteous retribution gives them up to their own way; the sin becomes its own punishment (Pr 1:31).
many altars—in opposition to God's law (De 12:5, 6, 13, 14).
to sin … to sin—Their altars which were "sin" (whatever religious intentions they might plead) should be treated as such, and be the source of their punishment (1Ki 12:30; 13:34).