If the only two things the author got out of the 4HWW was (1) money is a means not an end, and (2) do less emailing, then the author should try actually reading

If the only two things the author got out of the 4HWW was (1) money is a means not an end, and (2) do less emailing, then the author should try actually reading the book instead of skimming it. You can't "review" a book you haven't read.