The Prophet now explains how extremely shameful was the insensitivity of the Jews, in not acknowledging that God had most severely and grievously p…

They are not humbled [even] unto this day
Not contrite under a sense of their sins, nor truly penitent for them; not…

God reminds the Jews of the sins that brought desolations upon Judah. It is fitting for us to warn people of the danger of sin with all seriousness…