text: Finally, the last reason why having an array of opinions is crucial because a person will be able to detect the pros and cons of a specific subject. Detecting pros and cons are fundamental because a consumer will know what to expect. Examples of this are reviews for certain items and locations. Consumers write reviews, so they can let other people know if they should or should not go to certain places or buy a certain item. When a person reads these reviews, they get a sense of what's good and what's bad.