On a practical note, battery life matters in impoverished regions, best of luck with your "might last 24 hours, 36 if you're really lucky" Android handset.
Your second paragraph is warm and fuzzy nonsense, you should be ashamed of yourself for writing it.
Smartphones are designed for the needs of the developed world, the less developed world has it's requirements too, I doubt that internet enabled smart phones are high on the list.
And those alleged $80 handsets, how long exactly until they break and require servicing? Google "android failure rate", (less than e.g. iPhones, you can check), compare it those to conventional mobile phones.