If all the rock throwers of the world looked back at history books, and the weapons and tactics of the sword and spear times, mob vs police/army clashes would be much different.
All the mickey mouse olympic events? None of them ever consider the effect of shot putting, heave a 'kin enormous rock in the air and let it land on somebody, or use a roof tile as a discus and decapitate at the shoulders or cut the feet off bouncing along the ground.
The really intelligent are somewhere else with witnesses though.