I don't find the average rating very useful. I do, however, find reading 1 and 2 star reviews quite helpful. It wouldn't be very helpful to read a review as t

I don't find the average rating very useful. I do, however, find reading 1 and 2 star reviews quite helpful. It wouldn't be very helpful to read a review as to why someone thought Fundamental Calculus was better than Moby Dick. Without the star rating system, you lose the ability to filter on the reviews from people who think the product is bad.