She is allowed a seldom moment away from her domestic obedience and delivers the Inspector into the room readily, even stopping the Birlings from finishing their conversation.
Priestley could be commenting that wealth does not replace goodness and integrity, as there needed to be a more even distribution of wealth so people like Eric become socially aware.
Gerald Croft is presented as a weak character, the most emotional and demonstrative of all, leading the audience to question whether he can change his ways for good or is he too dependent on his parents.
Despite her lower social class and death, Eva could be said to have the upper hand in the play as she is the one who has shown the others who they really are.
Mrs Birling puts on a pretence of respectability by her use of euphemisms: e.g. 'a girl of that class' who has found herself in a 'particular condition'.
The character’s dramatic power in Priestley’s play lies in the fact that his identity as a hoaxer or as some kind of ‘spirit’ would have spoilt the unresolved tension that is so effective at the end of the play.