Fake consumer reviews are a massive problem on Yelp, Google and other sites.  Facebook is the source of much of this fraud.  Nobody, not district attorneys, not regulators like the FTC, nor Big Tech is doing anything about it.  In fact, Big Tech profits whether reviews are real or fake. 

 Torrance Hernia Center, a surgery center in southern California, is faking its Yelp reviews, but Yelp hides this information from consumers.