It is strongly recommended to go through a few customer reviews before buying anything online or buying something new or before purchasing anything from a new brand. Same is true for services. For instance, if you are in need of a moving company, you must go through a few moving company reviews to find out as to which is the company having maximum number of satisfied customers.
These reviews actually help customers in different ways ranging from guidance to information to safety from scam and many others. So from this perspective, you must not hesitate to believe all those customer reviews available readily on the internet.