Maybe because no one wants to listen to him or no one thinks he is important?
To draw the audience deeply in the play using these irony that are DRAMATC
Explanation:
George Orwell was using concept of a sudden motion by describing the instant of pulling the trigger ''When I pulled the trigger I did not hear the bang..'' and because he is describing that he did not hear ''the bang'' when he did that, it explains that it was easy thing for him to pull the trigger or hurt someone.
He is using also a sense of imagery when he is describing his deed.
