You must not have read the book because Graeber was pretty clear that he wasn’t making suggestions of what ought to be, he was simply diagnosing the issue and providing a framework to think of something better.
But is a diagnosis not a declaration of: "there should be less of this in the world"?
I think you already answered that question for me. I’ll also add that I don’t think this book was meant to be a contribution to management theory at all, I think the broader point is that we as a society have valued jobs more than we value humanity, so we now have hundreds of thousands of people performing meaningless work just for the sake of having a job. This isn’t an issue of management, it’s an issue of values.