text: You can also use multiple opinions in courts with complete strangers. If there is a mystery and a detective has a suspect, the court would get witnesses. Not just one witness, but multiple witnesses if you want to make sure the witness wasn't mistaken. If most of the witnesses says that the suspect is the one who committed the crime, then the suspect is most likely the person that broke the law. Multiple opinions can be used in a lot of ways, and it isn't only used in your everyday life.