Why is the dad in the musical Hairspray played by a man?

In the musical "Hairspray," the character of Edna Turnblad, Tracy's father, is traditionally played by a man in drag to emphasize the themes of acceptance and breaking societal norms. This casting choice adds a layer of humor and challenges gender roles, as Edna embodies both maternal and comedic qualities. Additionally, it reflects the show's overall message of celebrating individuality and diversity. The portrayal allows for a unique and entertaining dynamic that resonates with audiences.