Jotham transitions from his striking parable to harsh reality, confronting the citizens of Shechem with the moral and political weight of their choices. Shifting from storytelling to direct application, he holds up a mirror to the people who have just crowned a new king. Speaking with a mix of astonishment and sharp rebuke [מצודת דוד, אברבנאל], Jotham poses a series of rhetorical questions to evaluate their actions from two distinct angles: their political selection process and their treatment of his family.
He first challenges the people to examine whether their choice of a leader was conducted with honesty, fairness, and good faith [ביאור שטיינזלץ]. In a healthy society, much like the trees in his parable that first sought out the noble olive, fig, and vine, citizens look for leaders possessing genuine virtues such as wisdom, prosperity, and the ability to serve the public good. Jotham questions if the people made any effort to find such a worthy candidate before settling for the absolute worst option [מלבי״ם, אברבנאל]. Instead, they chose the equivalent of a useless thornbush. They elevated a man completely devoid of positive qualities, selecting him purely based on his local family connections, even though his only real potential is to cause corruption and harm his own brothers [מלבי״ם, אברבנאל].
Beyond their poor political judgment, Jotham attacks their deep ingratitude. He demands to know if they have properly repaid his father, Gideon, who risked his own life and fought tirelessly to save them [אברבנאל]. The implied answer to all of these questions is a resounding no. Jotham makes it clear that because their actions lacked all truth and integrity, this corrupt alliance with their new leader cannot possibly bring them mutual happiness. Rather, it is destined to end in total ruin and mutual destruction, for God judges the earth and ensures that the wicked are repaid for their evil deeds [רלב״ג].