One star reviews are gold mines.
https://www.amazon.com/Origin-Consciousness-Breakdown-Bicameral-Mind-ebook/product-reviews/B009MBTRHA/ref=cm_cr_dp_d_hist_1?ie=UTF8&filterByStar=one_star&reviewerType=all_reviews#reviews-filter-bar
They sure are. If you only read one star reviews of President Trump, it would be a gold mine of sorts, too.