I had considered that -- there's plenty of evidence to support the idea that "charity" doesn't often help achieve big picture goals like substantially decreasin

I had considered that -- there's plenty of evidence to support the idea that "charity" doesn't often help achieve big picture goals like substantially decreasing poverty. That said, a lot of the things his foundation is working on are more immediate-need types of issues, like access to doctors and medication for malaria and other diseases. In these venues, charities can have a much bigger, more immediate impact than trying to grow a market to deal with the issue.