Let the secular humanists destroy themselves then. Did not Napoleon say something along the lines of “when you’re enemy is committing suicide, don’t interfere”???
I believe it was Sun Tzu, the Chinese War tactician, who pointed out that your enemy’s lack of ability to control his anger, and his blind spots, are his greatest weaknesses.
In the Bible, Jehu and numerous events from the Judges time period show that the wicked punish each other. Isaiah mentioned “drunk with their own blood”.