Hah! I thought we were the only ones. I was using it to watch the screen of a machine with no other out-of-band monitoring, in a server room in 2002, mostly because "I've been using it forever and it still works".
On occasion it was nice to know when some tech was also in the closet, in case I knew their # and could get them to flick a switch or two, on my behalf, in lieu of the 1 or 2 hour bike ride (depending on traffic) I'd have had to endure to use my own fingers...