How's The author Supports His Ideas?

The author supports his ideas by observing the manners being shown by individuals, such as men, women, teen age boys, and children towards that scruffy man.By observing on everyday courtesies about the behavior of people around him, he was able to record what he have observed.He was also able to observe things that serve as a description about our poor manners.He also observes everything that takes place within sight or hearing by the values shown by everyone.
He also observes how parents manage their children and how they teach them about good manners and right conduct.He observed people how they speak and call someone.Is our good manners faded away?Some of the people all over the world do not practice politeness and good morals.Being also an author inorder to support your ideas , try to observe everythingtht within your scope.