These days almost all reviews on popular E-commerce sites are fake, no body should even read them or believe them. Reviews have become a business field of their own. For real reviews you should have to become old school and trust only the review/recommendation of your own family members, relatives or personal real life friends. Online reviews are just a modern marketing strategy of e-commerce sites to fool the most stupid buyers out there which they believe are a lot at least in the so-called "developed world" where people have less real life contacts than in the developing countries.