never have and probably never will.
Mostly what Benkenobi said: they're designed to keep you hooked for hours and hours.
I've read too many horror stories of MMORPG addicts. I do not want to become like them.
...but is it right for me to critisize MMORPGs?
I used to be quite addicted to Counter-Strike and now I'm around 200 hours in Team Fortress 2 and still going(great game).
I can't quite explain it but for some reason I'd rather be addicted to FPSs than MMORPGs.
crappy old school NES games are more entertaining than next-gen games.