The subplot around boo radley reinforces the theme in tkam

In Harper Lee's To Kill a Mockingbird, Boo Radley is the neighbor of the Finch family, a hermit whose life is surrounded by hideous rumours that ultimately are proven false when he saves the children. He represents the mockingbird, a creature that only wishes to bring happiness to others, and not pain as some people presumed.

the author is showing that it is the insatisfaction of basic needs that brings about the protests such as the strikes.if workers do not earn enough to buy food and feed their families and themselves in order to continue working, what is the use of working? besides, another message from the author is that of the owners of factories should be worried about ensuring their furure by having a second and third generation of workers in their industries.if they do not hear the workers demands, they will not have any more workers to make their pockets full.