Ahithophel presents a calculated military and political strategy designed to secure Absalom's rule with minimal bloodshed. A targeted assassination of King David offers clear advantages over an all-out war, which would likely plant seeds of long-lasting bitterness among the people. The central objective is to bring all of David's supporters into Absalom's camp without a single battle [מצודת דוד, רלב״ג].
Commentators explore how this mass shift in loyalty would unfold. Some suggest the transition will happen with remarkable ease, much like simply returning a misplaced object to its rightful spot [רד״ק, אברבנאל, אלשיך]. Others view this through the lens of historical precedent: just as the entire nation united under David following the death of Saul, they will naturally unite under Absalom once David is gone [אברבנאל, ביאור שטיינזלץ]. A third perspective grounds this in the immediate reality of the rebellion, noting that since the vast majority of the public has already joined Absalom willingly and without conflict, the remaining loyalists will inevitably follow suit [מצודת דוד, אלשיך].
The primary approach among commentators is that the strategy focuses entirely on David. Ahithophel promises a precise, isolated strike against the one man whose death will effectively end the entire campaign [רש״י, רלב״ג, מצודת דוד]. This advice is fueled by Ahithophel's intense personal hatred for the king, rooted in the scandal involving Bathsheba, who was Ahithophel's granddaughter [רד״ק].
However, a bold political interpretation suggests that Ahithophel is actually offering himself as the assassin. According to this line of thought, if Absalom were to wage war and kill his own father, he would be branded a murderer and face public hostility. Instead, Ahithophel proposes to strike the lethal blow himself. Afterward, Absalom could publicly demand Ahithophel's punishment to clear his own name, only to eventually grant him a formal pardon, a common practice for new kings ascending the throne. This elaborate maneuver would leave Absalom completely free of guilt while successfully uniting the nation [מלבי״ם].
The ultimate desired outcome of this precise maneuver is complete national peace. Because David himself is the root of the conflict, his death removes any reason for the opposing camps to fight. The entire nation will remain whole and unharmed, allowing the kingdom to rest in quiet stability [מצודת דוד, רלב״ג, ביאור שטיינזלץ, אלשיך].