Severe punishments and harsh warnings are often perceived simply as expressions of divine anger, but their true purpose is entirely educational and corrective. The ultimate goal of such discipline is to uproot sin from the hearts of the Israelites and restore their unwavering loyalty to God [ביאור שטיינזלץ].
Witnessing the reality of divine justice and seeing firsthand that God actively punishes wrongful actions serves as a powerful deterrent. This realization is meant to stop the people from wandering down a crooked path and straying from the proper way of life [מצודת ציון, מצודת דוד].
Once the people correct their actions, their bond is fully restored. They will once again earn the privilege of being recognized as God's nation. In response to this renewed commitment, God will reveal His power to protect, save, and rescue them from harm [מצודת דוד].
Because of this, those who come to listen to the prophet must deeply internalize his message. The prophecy is a direct decree from God that demands complete obedience. It carries a stark warning that the people must follow His word, or they will face destruction [ביאור שטיינזלץ].