Malaria, low literacy rates, etc., are the byproducts of failed political systems and corruption.
Musk's impact on electric vehicle technology will drain a great deal of despotism from the middle east as dependence on oil wanes, far more effectively than any philanthropic contribution he might have made would have.
There are a number of technologies that can drastically change the dynamic between the elites (officials) and everyone else worldwide. Our most gifted thinkers and entrepreneurs should be inventing the next printing press or cotton gin, not attending charity functions.