Here are a few of the most important reasons why we should not judge other people. Lack of information: Are you sure that you know all facts about the person? Most of the time you have judged a situation without knowing the whole story. It is very important to hold off until you know all facts. It’s one of the most clear reasons why we shouldn’t judge other people. Each person is different from the other: Remember people have one thing in common; they are all different. If you don’t like doing something, it doesn’t mean that other people should not do it too.