I’ll go with the low-hanging fruit: Mein Kampf. I’ve read it, cover to cover. As a piece of propaganda, it’s good. As an example of good writing? Absolutely not (though I will admit I have only read it in translation). Oh, and the whole fascist, racist, and generally shitty worldview of the author that he infuses into the text. And the fact that the author is literally Hitler. You 5-star that book? You’re a Nazi. Period. And as a Jewish person, I don’t look too kindly on them.
I always find it amusing that people think The 48 Laws of Power is an instruction manual. I’ve read that book several times, and I never once got that impression. The book is amoral, it doesn’t take a stand for or against anything. Most of what people find objectionable about the book, they find objectionable in actual people who have used these tactics to do terrible things. Which definitely has happened, for thousands of years, long before that book came into existence.