In reference to dill what pessimistic note does Dolphus Raymond cast?

Dolphus Raymond understands that Dill is crying because Mr. Gilmer is being so condescending to Tom. While Dolphus does all he can to comfort Dill, he tells Dill that he (Dill) had better get used to it, because this is the way that whites treat blacks (and white who chose to associate with blacks). Dolphus doesn't have the optimistic outlook that Atticus and Miss Maudie seem to possess--that life and society can get better if people just learn that blacks are humans with feelings and rights just like whites.