Why must the Qur’anic statement not be equated with the poem “wa-nunkiru… wa-lā yunkirūn”?

Iʿtirāḍ and the Relative Measure of Ījāz and Iṭnāb — Concluding Volume 1

• The verse concerns divine action; the poem concerns human authority in speech
• Neither contains Arabic wording
• The poem contains no negation
• The verse has no meaning