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‘m the same way with Hoover and Rebecca Yarros too. I can’t believe they are rated so high on Goodreads. I can appreciate YA or NA, but geeze, can authors put an ounce of effort establishing a plot or character development? Maybe have some decent dialogue? A crumb of editing??? Just a crumb