In light of the tragic events in Afghanistan, I cannot help but draw certain parallels from these chapters because I feel as though the overall subject being discussed in them continues to reflect many people's sentiment to this day. I believe, although I cannot say for certain, that the subject matter in these chapters as well as the stereotypes, were the author's attempt to point out how unaffected people could casually dismiss the people of those countries and the hardships they were (and still are) facing.
Or he could have been creating a wildly ludicrous situation (inspired by the events of that year) that fit the insanity of the plot, he is, after all, the world's leading exponent of far fetched fiction. It is also quite possible that he was having writer's block, fell asleep during tea time, and Barry the Time Sprout whispered these chapters, along with the remainder of the book, to him.   
So, I ask you to please keep in mind that this book was published during a time when attitudes and understandings were much different then they are today. I'm trying not to spoil the ending, so all I can say is the remainder of the book should not be judged based on these chapters.

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