The statement that best characterizes the argument that "Killers of the Flower Moon's" writing is “impeccable” but lacks “personality” is:
The evidence is effective because the reviewer includes a succinct and compelling plot summary.
This choice acknowledges the reviewer's ability to provide a clear and informative overview of the book's content and style, supporting the claim about its quality while contrasting it with the absence of the more personal touch found in Grann's previous work.