Board Thread:Lore Discussion/@comment-16588404-20140404194610/@comment-13446185-20140404220005

Kadawon01 wrote: It's about how little they trust the Dominon and the thalmor (Who are led by high elves.) While that is true, it also has to deal with Dunmer neutrality in the conflict. As can be seen in some of the Windhelm dialogue "and you refuse to help the Stormcloaks."

"Wouldn't surprise me. They've done nothing to help in the fight for Skyrim's freedom."

-Rolff Stone-Fist

"Hey, maybe the reason these gray-skins don't help in the war is because they're Imperial spies!"

-Angrenor Once-Honored

It should also be noted that when you ask Galmar if they only accept Nords he'll say.

"You mistake me. I'm not saying no - just wondering about your intentions. We're not looking for sellswords. The Stormcloaks need dedicated men and women who're devoted to the cause and willing to die for it."

Which also shows that it isn't immersion breaking for the Mer to join the Stormcloaks.