Why do the majority of the Qur’anic verses speak of punishment and torment, suggesting that God created humans to punish them, and how can it be proven that this is not merely an intimidation of humanity?

God created humans for trial and test, concerning commandments and prohibitions, and adversities and blessings. The outcome of this trial is either bliss or torment. Humans have choice and acquisition regarding what has been destined for them.

The frequent mention of torment and punishment in the Qur'an is a mercy from God, so that His servants may know the consequences of disobedience, as He Almighty said: "With this Allah frightens His servants: 'O My servants, then fear Me!'" This warning is evidence of His compassion for His servants, and it acts as a barrier against the onslaughts of whims.

The mention of Hellfire is coupled with the mention of Paradise to balance fear with hope in the servant's heart, along with the servant's knowledge that God's mercy overcomes His wrath. The repetition of warnings from God is out of compassion and mercy, lest hearts harden, and to combine encouragement with deterrence. Fear and hope are often coupled with a reminder of God's greatness and His blessings, so as to cultivate love for God, for the worship of God is not complete except through love, fear, and hope.