How Is Your Hearing?

Yishmael was saved from dying of thirst, even after the malachim argued that his descendants would one day kill many Jews. The ben sorer u'moreh of Parshas Ki Seitzei has not yet done anything that deserves death, and he gets no such reprieve. Why is he given no chance to do teshuva, a question that cuts close in Elul?The Ibn Ezra finds the answer hiding in a few small words of the pasuk. Rabbeinu Yonah adds a mashal of a man who falls from a roof and breaks every bone in his body. It lands hardest on anyone who bristles when a friend tells them they got something wrong.