Even people void of understanding, in divine truths, may consider the sure consequence of sin. The wages of sin is, and must be death. Romans 6:23.
Related Commentaries of Deuteronomy 32:28
Deuteronomy 32:28-29
28 For they are a nation void of counsel, neither is there any understanding in them.
29 O that they were wise, that they understood this, that they would consider their latter end!