Sorry to hear about the accidents. One part makes me wondr (tangential to your stories). Has honking really ever prevented any accidents? I don't even know why

Sorry to hear about the accidents. One part makes me wondr (tangential to your stories). Has honking really ever prevented any accidents? I don't even know why a car needs a horn, 99% it's abused out of frustration, and I cannot Eben imagine what that magic 1% situation is that requires car to have a horn. Honest question.