Jem is assuming that Boo wants to talk to him. He has never considered that maybe Boo wants to be left alone. Even though Atticus repeatedly told Jem to leaving him alone or to ‘Stop tormenting’ him, Jem continues. Jem is sure that he knows what's going on and doesn’t consider that Atticus knows more about the situation and that maybe he has a point.
Bob Ewell refuses to show empathy or even consider