> in this essay, I’m going to highlight the five most egregious scientific and factual errors Walker makes in Chapter 1 of the book. This chapter contains 10 pages and constitutes less than 4% of the book by the total word count.
I don't find it to be egregious
This in particular: "it takes an inordinate amount of time to respond to the criticism"
Ain't it. If you are going to present yourself as an authority on a segment of human knowledge, then you should necessarily EXPECT to receive challenge when you haven't actually done your own homework. Nobody who writes a book while acting as an authority should be incapable of showing their work.
And since they're all aimed at the first chapter, it's not cherrypicking.