She's still called Kyne, at least sometimes.
From Arngeir's translation of the Greybeards greeting to the Dragonborn, "(...) In the name of Kyne, in the name of Shor and in the name of Atmora of Old."
Dude, you know it isn't just Rolff. Complaints about the Nords' xenophobia are everywhere in Skyrim.
It probably isn't that simple. Otherwise how would you explain the fact that Hammerfell succeeded in defeating the Dominion while the Nords failed?
Sure, you could say it's because the Emperor didn't let them keep fighting, but they were in a sorry state at that point.
The same was never said about the Redguards battle against the Thalmor.