I don't think anyone sets out to malign poor people but certainly that's what we do through organizations such as the World Trade Organization, the World Bank and the International Monetary Fund.
I found collaborating with congenial doctors about problems that physicists could help solve was very satisfying. I also like educating anybody who would listen!
I think that by following the route that I have tried to outline, one gets into a much more interesting and productive series of questions than those that result from saying simply that Chinese don't like milk because they don't like milk.

