“he will not be afraid because of their shouting.” Like a lion fighting for the food he has just killed is not afraid of a bunch of shepherds with their sticks, God is not frightened or intimidated by humans and their feeble efforts. God can and will fight for His people and can and will win the fights He engages in. He is making this known to Israel and Judah so that they might turn away from help from humans and idols and seek Him and His help. Sadly, the people of Israel and Judah did not turn to God, and they suffered terribly for it. Christians should be wiser than these people in the Old Testament and always turn to God and Jesus for help.