Is Jarod Diamond successful in supporting his thesis in the book Guns, Germs, and Steel?

As it is
an extremely large and complex work, there is really no single answer to this. Jarod Diamond's
main answer to Yali's question of why Europeans have so much more "cargo" than the
natives of Papua New Guinea is that it is due to geographical factors rather than innate
intelligence or culture. The claim that differences in technological development are not the
result of people in underdeveloped nations being somehow "inferior" is one that is
widely accepted among...