Why does disobedience occur in Ramadan if the Shayaateen are chained up?

The famous Mufassir/interpreter of the Qur’an Abu Abdillah al-Qurtubee 671 AH said, “If it is asked, ‘How is it that we see many evils and acts of disobedience [occurring] in Ramadan? How are these things happening if the shayaateen are chained up?’ Then the answer is that [evils and disobedience] are only lessened for those who observe the…