I don't have all the solution. But poor people are people too. They're not going to like a solution that makes them know they're poor. Like if you tell them they can't have a flush toilet. A solution to toilets must make people feel respected, and not have shame. His solution is great because napkins is the best known product, and he's able to make it available to all. He isn't telling them to use a hose or some shit. Sure, a hose is reusable, but fuck that!