Factions/Dunlendings: Misunderstood?

Dunland, home of the evil, hostile, barbaric men. Am I right? No, Dunlendings are misunderstood.

Theiving Rohirrim

Rohan are good, right? fighting in the war against evil, side by side with Gondor. But invading a peaceful land already inhabited for generations by the Hill-folk doesnt seem overly heroic, even if running from another enemy.

Enemies of all but seven

Dunlendings will attack Gundabad, Angmar and Dol Guldur Orcs, and are allied with the Uruk-Hai simply because they too hate the Horse-Lords. Seeing as attacking Mordor would enrage the friendly Uruks, and as the Dark Lord has offered help in re-conquering the grassy fields of Rohan it is obvious why Dunland supports those two factions. As a result, Elves, Rangers and even the peaceful Hobbits attack them even though the Dunlendings attack their enemies the Gundabad.

Dwarves have it right though, being peaceful with their allies of Dunland because of their hatred of Gundabad. Their history also has something to do with it.

"Dwarves fleeing from this disaster settled in Dunland"

The haradim and all current southern factions are friendly with them too, but it is not surprising since there are hostilities between Dunland and Gondor.

The elves also don't attack the Dunlendings, and shouldn't the rest of good middle-earth take an example from them?

Fighting Back

You may argue that Dunland attacks the rangers and elves, causing them hate even if the barbarians do kill their enemies the orcs. This may be correct, but we are talking about a vicious, barely civilized tribal nation, isolated by the vast emptiness of Enedwaith and the emense wall of the Misty Mountians. We can understand if they are nervous of the outside world.