What's missing is coordination. Coordinated individuals taking actions together can change things. But just relying on individuals stochastically, randomly acting doesn't work. You can't random-walk your way to political change, even if a lot of people are random-walking in one direction.

Worker rights didn't just spontaneously appear because enough people wanted them. They came about through organizing, coordinating and leading. Same for Women's suffrage, Civil rights, gay rights...