What effect does Mr Hooper's sermon have on the lawmakers who come to hear him?

Mr. Hooper's sermon has a profound effect on the lawmakers, as it challenges their moral complacency and forces them to confront their own sins and the nature of human hypocrisy. His veil symbolizes the hidden truths that everyone carries, prompting unease and introspection among the listeners. The lawmakers leave feeling unsettled, recognizing their own shortcomings and the weight of their societal responsibilities, which ultimately calls into question their authority and moral standing.