I don't doubt that there are people using it for legitimate stuff, but I'd wager the vast majority just set it up for the hype and to feel in the "in crowd".

I set it up, and had it do a few things, then decided its too risky after seeing some of the drastic failures it had caused some people.

Sure I understand you can sandbox it and all, but even then I couldn't think of much stuff I wouldn't want to do myself just nor justify the cost to run it.