I hadn't heard about this detective work until just now, but there was never a great mystery in my mind. Not to be a jerk, but I think it was obvious at the time that this was just a person who really valued his privacy.
So, while I can't speak for randallsquared, at least some of the people wanting to know if he'd "suddenly died" or some such were just being too tactful to say that they were afraid he might have committed suicide--in which case the deleting all his online stuff would have been completely plausible.
Like I said, it was kinda creepy. I wouldn't even have been reading about it but... well, I wanted to know if _why was okay. And yes, I realize that even if I didn't actively participate, watching others do it doesn't necessarily make me blameless.
Make of that what you will, but I do encourage everyone to not pursue the matter further. He's fine, don't worry about that, let's show him some respect.