Even seemingly legitimate Amazon reviews are bullshit.
I encountered Grady Harp after reading a truly terrible eBook called Orbs. Check out the reviews, and keep in mind that this book is just garbage. Seriously. If you don't believe me, spend the 3 bucks and see for yourself. It's horrible. Grady and a large number of other reviewers gave it absolutely steller reviews. I went back to try and figure out how so many people could like such horrible writing. A little googling led me to this: