As for the observation that companies only spend billions in research for markets where they can find can paying customers, I would say that others are free to raise money and start companies to cure other diseases. Even in the developed world, there are literally thousands of other diseases for which a handful of people that don't have large markets either. The WSJ ran a large article on this a year or so ago.
http://www.who.int/mediacentre/news/releases/2011/malaria_re...
I wish people would quit making shit up.
As for the observation that companies only spend billions in research for markets where they can find can paying customers, I would say that others are free to raise money and start companies to cure other diseases. Even in the developed world, there are literally thousands of other diseases for which a handful of people that don't have large markets either. The WSJ ran a large article on this a year or so ago.