In the context of ancient warfare, David's treatment of the Ammonites was a strategic move to secure his kingdom's safety and resources. By forcing the captured people into labor, David aimed to prevent future uprisings and to integrate the resources of the conquered territories into his own kingdom. This practice was not uncommon in ancient times, where the victors often sought to benefit from the labor and resources of the defeated.
David's actions, while harsh by modern standards, were part of the broader narrative of his reign and the expansion of Israel's influence. The passage also reflects the complexities of leadership and the difficult decisions that leaders had to make in times of conflict. It reminds readers of the historical and cultural context of the biblical narrative, where survival and security often dictated harsh measures. Understanding these actions within their historical framework can provide a deeper appreciation for the challenges faced by biblical figures and the lessons that can be drawn from their experiences.