Mr. Raymond thinks this, because Scout and Dill have not yet been alive long enough to become corrupted and hateful. The adults in Maycomb have built up years of gossip and prejudices, but Raymond sees young children such as Scout and Dill as a type of clean slate, who can still be educated about the way others live, and can understand things differently than the others in town.
The only stage direction is for every character to leave, letting Hamlet have his monologue. It allows the reader or listener to relate to Hamlet. It also usually shows exposition in the storyline.
Uhhhh wait what........................