What allows them to dominate? They have financial resources smaller players don't. For example, they can pay as many fulltime staff as they need to make their products and services more attractive than more freedom-respecting alternatives. They can get their PR posters slapped up all over major cities. Protocols + cooperatives offers us a way to compete with this. The point of Platform Cooperativism is that neither can do it alone, which is what Matt's essay seems to miss.