If you wanta be mean and nasty, if you wanta lie and cheat, if you wanta slash and burn, that's okay. You hated the book, okay. You don't like the author's politics or choice of spouse, okay. You'll never read the book but you'll give it 100 stars anyway, fine.
But do not steal another reviewer's review. Just don't do it.
It's plagiarism, it's copyright infringement, it's stealing the soul of the person who wrote, who owns those words.
I love words, I love writing, and even if I don't like what they write, I have at least an understanding of what a writer goes through. Writing a review of someone else's writing is still writing.
I will not forgive you. Not ever.