Both [the conductor] Mr. Gilbert and Patron X found something positive in the episode. “It shows how important people still feel live performance is,” Mr. Gilbert said. “This is something people either consciously or implicitly recognize as sacred.” The patron agreed. The incident underscored “the very enduring and important bond between the audience and the performers,” he said, adding, “If it’s disturbed in any significant way, it just shows how precious this whole union is.”
John Gruber has some interesting thoughts on the design aspect of alarm rings.