It's bad to indiscriminately trust what completely random people say. That's different from not trusting at all. There's a reason why Yelp displays friends' rev

It's bad to indiscriminately trust what completely random people say. That's different from not trusting at all. There's a reason why Yelp displays friends' reviews before other random reviews, and why Yelp goes to significant effort to get people to write textual reviews rather than just leaving a star rating.