“Which is better for you, that all seventy of the sons of Jerubbaal rule over you, or that one rule over you?” (v2). Abimelech said that the people of Shechem would be better off under his rule, rather than be led by a tribal council. He accomplished this by murdering 70 male relatives and was thus made king (v6). Jotham escaped the massacre and warned them that since they had not acted in “good faith and integrity” (v19), Abimelech’s violence would destroy them all, which it did.
“Reign over us” (v8). The Shechemites permitted Abimelech’s violence, and it returned “on their heads” (v57). We aren’t isolated individuals; God calls us to promote “good faith and integrity” in our entire communities (v19).