A desperate cry from the battlefield often marks a sharp transition from a harsh feeling of abandonment to a profound recognition of divine guidance. In the midst of war, there is a painful realization that God has left the army and is no longer marching out to fight alongside the soldiers [מצודת ציון, רש״י, ביאור שטיינזלץ]. One perspective suggests that this divine withdrawal is a direct result of the people's sins, which caused God to stop fighting their battles [מאירי]. In their distress, the nation cries out, wondering why God does not save them directly instead of forcing them to rely on the limited abilities of human beings [אלשיך].
The primary approach among commentators, however, views this experience of abandonment as a crucial moment of awakening to God's absolute power. The realization takes hold that just as past defeats occurred because God left the battlefield, any current victories are far from accidental. They stem entirely from His active support, as a small group of soldiers could never defeat a massive army without divine intervention [רד״ק, מצודת דוד]. Furthermore, the initial feeling of being forsaken was actually intended for the people's benefit. It served as a necessary educational lesson to teach them that human salvation is an illusion. Without God's help, military strength and reliance on human power are completely useless [מלבי״ם].
The true depth of this battlefield realization also depends heavily on the tone in which it is expressed. King David approached this truth with wonder, pleading, and a complete recognition of his absolute dependence on God. In stark contrast, others have taken the exact same situation and twisted it into arrogance. During the destruction of Tur Malka, a mighty Jewish warrior named Bar Daroma arrogantly declared that he did not need God's help to fight the Romans. His boasting led to his sudden death and the total destruction of his city. This tragic event illustrates that acknowledging God's role in war is meant to inspire total submission to Him, rather than a foolish sense of human pride and physical might [תורה תמימה].