The surah descends into deeply personalized, vindictive threats against a specific 7th-century human critic (traditionally identified as Al-Walid ibn al-Mughirah), utilizing coarse language that falls short of divine dignity.
Surah 74:16-17, 26:
No! Indeed, he has been toward Our verses stubborn. I will cover him with a grueling uphill climb... I will drive him into Saqar.
The text vows to punish this specific Meccan aristocrat by forcing him to climb a literal, grueling mountain of fire in hell (sa'ooda).
Critics contrast this vengeful, reactive anger with the standard of biblical prophecy. While biblical prophets announced judgments against entire nations for systemic sins, the Quran repeatedly uses the voice of the Almighty Creator of the universe to trade petty insults with specific 7th-century local citizens who refused to fund or accept Muhammad. This indicates a text operating as a personal, defensive weapon for its author.