Defending a god.
Joash is the father of Gideon (Judges 6:29 – 32). His son, Gideon, had just tore down Baal’s alter and cut up the town’s Asherah pole and the townspeople were mad. They wanted to defend Baal’s honor, who supposedly was a powerful god. Joash replied to the cries for his son death by asking several questions (vs. 31) the most important one basically was “Are you trying to save your god?” Josah then makes an inspired statement,”If Baal really is a god, he can defend himself.”
The people must have realized the wisdom in that statement because they eventually followed Gideon into battle and defeated the enemies of Israel. It must have become apparent that the god they were defending would/could not punish Gideon.