Spell said:
that is very true. as a matter of fact, to some extent, D&D has a wider gray scale palette for monsters. orcs might be riding the village because they are evil, or maybe because some horrible monster pushed them out of their caves and now they are starving... i have played many D&D campaigns where the players had to make some tough moral call.
in warhammer, there is not such need. orcs, goblins, dragons, beasts of chaos... they are all evil, and they all want to kill everybody for gore's sake.
I think this is a bit of a misunderstanding.
First a minor point - it is made rather clear from the source material that dragons are
not out to kill everyone. In fact, it is even possible to converse with some of them and live to tell it
if you are exceedingly polite (and possibly bring some nice gifts for its hoard).
And about "Good" and "Evil" in the Warhammer world... I tend to see these as purely human concepts (and possibly of that of the other near-human races, like halflings, dwarfs, and elves, though that point could be argued). "Good" is someone who generally works for improving the lot of his fellow humans, and "evil" is someone always looks out for his own self-interest first, without regard how that might affect other people.
Goblins and orcs, on the other hand, are neither "Good" nor "Evil", though they might appear to be the latter to most humans. Instead, they are
off the scale altogether. They are alien life forms with alien thought processes who just happen to have some rough physiological similarities to humans and compete for the same living space. The fight between them and humans (and dwarfs and elves, for that matter) is not a struggle between "Light" and "Dark", but simply a Darwinian struggle for survival. They can't co-exist at the same place for any length of time, so most simply try to kill the other without losing any sleep about it.
In a way, the same thing goes for Chaos. The four Powers of Chaos present concepts and urges that are an intrinsic part of humanity - in fact, without these urges, humanity wouldn't be able to grow and prosper like it has. What presents the danger to humanity is that giving oneself over to these powers means giving up
any restraints in following these urges.
Most human cultists of these entities
are evil (though not all), since their lack of restraint does hurt their fellow humans. But the true Gods of Chaos, as well as their demons and chaos spawn, are too alien to be truly "evil". Even with mutants and beastmen it is the remaining human part that makes them evil, and not the chaos in their hearts and bodies.