Originally Posted by Rina 
Actually it's "losing is fun". 
Well, it is, strangely enough.
DF is really the NetHack of sim-games. Meaning, a big part of the appeal of NetHack was the wide variety of YASD's (Yet Another Stupid Death, for the uninitiated) in it. DF takes that to a whole new level — you can YASD an entire tribe.
(I'm starting over once again. My dwarf king just died in a horrible magma engineering accident and I don't feel like continuing without the little bastard.)