What might be the problems with classifying some groups as "civilized" and others as "uncivilized"?

The problems of classifying some groups as civilized and other as uncivilized is because of the definition that the society that affects a lot of people. Some people defined a civilized person when they are educated and a people who does not have education as uncivilized because of his or her background of not having education when in truth, a person can be civilized without having an education if he or she was able to have a good character and was able to live a decent and normal human being in this world we live in. Because of the society, they are able to shape other people’s view, creating false rumors and definitions that could destroy other people’s views.