If you also look at this metaphor >Shaw criticizes the Wright Flyer by the criteria of Second World War aviation it's pretty clear that the OP considers K&R o

If you also look at this metaphor >Shaw criticizes the Wright Flyer by the criteria of Second World War aviation it's pretty clear that the OP considers K&R obsolete and unsuitable for today's needs. It's not just that "sometimes you might need more than one book" - you wouldn't want to put the Wright Flyer in the same formation as a Flying Fortress.