This advice holds true for cruise ship reviews. Here are six reasons why you should think twice before you let online cruise ship reviews determine your vacation plans. Docked Cruise Ships (Photo Credit: Melissa Mayntz / Cruise Hive)As a third example, people are always mixed on cruise ship waterslides and if they are too thrilling, not thrilling enough, or just right. Not All Complaints are the SameBefore making a decision about cruise ship reviews, and particularly negative reviews, consider the importance of the complaint. The Research You Should Be DoingIf you are going to read cruise ship reviews, they should only be a small part of your research.