> It doesn't make any difference and doesn't invalidate my critique. It appears to be a science communication book, so it could easily be a web page. Even if it was a LaTeXish PDF there were multiple ways to not making it a PDF that resembles a scientific article, there's a precise choice being made about how to communicate. The medium is the message.
If this is really your response, I agree with your original comment about you being burned-out.