-Multiple steps are necessary—requires training or demonstration -Requires a lot of equipment (2 buckets, cloth, and a stirrer) I think this gets at the heart

-Multiple steps are necessary—requires training or demonstration -Requires a lot of equipment (2 buckets, cloth, and a stirrer) I think this gets at the heart of the issue. If stiring in a powder and straining your water to prevent disease and parasites is too complicated to understand or too time consuming to do consistently, imaging how difficult it will be for these people to build water treatment plants and ultimately build an industrialized economy. Which is why they haven't done so while other nations did it without any assistance centuries ago. There simply is no easy solution to poverty in the third world, and obsessing over it will get you nowhere.