Crowds are pretty good at that kind of thing already - for instance, I remember some protests a few years back where the protestors responded to the common poli

Crowds are pretty good at that kind of thing already - for instance, I remember some protests a few years back where the protestors responded to the common police tactic of 'kettling', by just running like hell and scattering every time the police tried to surround them. It worked quite well, because the police would quickly get exhausted having to reposition in heavy armor every few minutes.