I'll never understand the thrill behind it. You don't get any money out of it, you don't learn anything worthwhile, you can't make a living out of it and you can get your *** ripped apart in court if you're getting caught.
If there'd be any practical reason to spend your time with hacking and writing a virus, I'd understand it, but there's no reward at all. Except that it probably turns you into an ******** But anyway.