What attitude of the aristocracy is illustrated by Lady lines in play?

The lines from the play "Lady Windermere's Fan" exemplify the aristocracy's attitude of insincerity and superficial morality. Lady Windermere's comments reflect the societal norm of maintaining appearances and reputation above all else, even if it means concealing uncomfortable truths or engaging in deceptive behaviors. This facade of respectability is prioritized to preserve the social standing of the upper class.