The signature lighting in the Petronas Towers, Kuala Lumpur, Malaysia, is operated entirely with Hypercard running on a Performa. This is in the "Carnegie Hall" of Malysia, astride the worlds tallest buildings. The computer controls all aspects of the concert hall fiber optic lighting system, using Hypercard interactively both to output switching commands and to read and display the current state of the system in real time.
Try that with a Compaq. Of course HC should be saved, because it still sets the Macintosh apart. What is amazing is that Apple does not appreciate the vast numbers of both casual and serious HC users, and what a valuable resource that is.