Because in some cultures eating without following the proper etiquette can be disrespectful, by following these proper rules it can be seen that you are showing respect to people while you eat.
It is very useful to show our good manner in the table in front of the people. Using table manner showsthepeoplethatyouareeatingwiththatyouarepolite.It also demonstrates that you respect the people who prepared the meal and will clean afterward. Table manners prevent you from making too much of a mess.
