For large-scale problems to be solved they first require to be addressed, which is what Logan Smalley discusses in his film movement speech.
Problems that affect billions of people can only be resolved with the collaborative efforts of numerous people. For this to take place it first requires to be communicated to people. Smalley's method for addressing that issue is through making a movie out of it. Smalley's approach to making a film doesn't require expensive film equipment, but just a great story.
Many film makers rely on their equipment to generate a story, but Smalley's approach is based more on cultivating a movement that will inspire and inform people to make them into a group of collaborative problem solvers.