About theme In the quote "But my uncle-father and aunt-mother you are deceived" (Act 2 scene 2) what is the significance of the passage as it relates to the theme of humans as deeply flawed

Hamlet accuses his mother and new father of not knowing the truth about Denmark or his (Hamlet's) character. They think Hamlet is mad because he is so sad. Hamlet is really accusing Gertrude and Claudius of hypocrisy. He says that they are the ones that should be in mourning for Hamlet Sr. but they are really not.