Matthew 2:16 Then Herod, when he saw that he was deceived by the wise men, was exceedingly angry; and he sent forth and put to death all the male children who were in Bethlehem and in all its districts, from two years old and under, according to the time which he had determined from the wise men.
Likewise, Sodom and Gomorrah and the cities around having given themselves over to sexual immorality and gone after strange flesh, suffered the vengeance of eternal fire including their children thereof.
What if God killed only the wicked parents, who will take care of those little children? Will Lot & his two daughters can take care all of them?
Luke 18:16 But Jesus called them to Him and said, “Let the little children come to Me, and do not forbid them; for of such is the kingdom of God.
At first, you may think poor are those little children but on the second thought they are the luckiest ever, never have to face judgment anymore. In the end I may conclude, God is Love. How I wish I died when I'm still a child.
Isaiah 55:9 “ For as the heavens are higher than the earth, So are My ways higher than your ways, And My thoughts than your thoughts.