I do believe that Diamond is a geographic determinist. Throughout the book he makes the case that, a person’s future is based on the location that person was born. If someone was born in Australia during the 1800’s, they would live with primitive tools and a basic lifestyle. Whereas, if that person was born in Europe during the same time, that person would be a part of a complex society with many advance tools.
Diamond also shows this is by convincing the reader that Europe won history. He shows that the majority of the world was conquered by some European country at some point in time. This determines the fate of the people in the location that was conquered because the Europeans could have completely whipped out the natives or just forced their beliefs on them. This could completely change the future of the natives.
Diamond is a geographic determinist. With these arguments he makes throughout his book, he is basically saying that it does matter where someone if from. The location of your birth will determine your future.