Earlier quoted context omitted.
These are heuristics. They will of course produce false negatives. Given the huge volume of available books relative to available reading time in a human life, the most important thing is to minimize false positives. Whether the particular books you refer to are false negatives on these heuristics is of course a matter of opinion. I don't know Woodward and Bernstein's book on constitutional law; their most famous boo…
This is the same funny circular argument the author of these "rules" made. If you don't believe in the value of the reporting Woodward and Bernstein did, why would you believe there's value in their account of how they did it?
A book about investigative journalism by investigative journalists is rather different.