Straw Man.
Continuing with my analogy, the tinder and the fuel for the fire was already there, provided by Ferguson and other events. Everyone in the crowd was 'ready to go', all they needed was a leader.
Blasio, Sharpton, Obama kept shouting 'FIRE'.
A member of the crowd complied.
From my read, you want us to overlook those guys who shouted fire. But for them, this wouldn't have happened.