Fear can be a powerful motivator, but is it always a bad thing? This verse shows how fear can lead to a wise, albeit reluctant, decision.
The verse concludes with a significant consequence: 'So the Syrians were afraid to save the Ammonites anymore.' The Syrians had previously been involved in helping the Ammonites against David (verse 7). However, their devastating loss at the hands of Israel instilled a new kind of fear.
This fear wasn't just a momentary panic; it was a strategic calculation. They understood the cost of further opposition. Their alliance with the Ammonites, which had seemed viable before, now presented too great a risk. They withdrew their support, leaving the Ammonites isolated.
This demonstrates how acknowledging God's power, even through fear of His judgment or might, can deter further opposition and bring a cessation of hostilities. It's a recognition that some battles are not worth fighting when facing an opponent backed by divine authority.