> I shouldn't need to read the last 8 chapters to figure this out. It's not my responsibility as a reader. It's the responsibility of the writer to ensure that when a reader jumps into a chapter, there's enough context and substance to figure out if it's worth reading.

What an absurd thing to say. Would you say this about jumping into chapter 9 of a book? What about part 9 of a guide to learning a new programming language?