The Cairo mob tried to fight the French by religious shouting rather than discipline
Evidence
When the actual fighting began the mob started screaming and shouting such things as “God Almighty” and “Men of God” as if they were fighting by shouting and yelling. Wise men urged them to quit this [useless mode of fighting] and told them that the Prophet and His Companions fought with swords and pikes not by shouting, yelling and barking. People did not listen, though, and neither did not desist. No one reads. No one listens. — Khaled Fahmy, All the Pasha_s Men_ Mehmed Ali, his…, 634