You're just repeating things you've heard that sound vaguely scary and support your inherent distrust of non-natives. It has no basis in reality. There's no getting through to you so how about we agree to disagree?
There's nothing wrong with Nationalism it is natural to want to conserve ones heritage and history but you seem to misconstrue it as Ultranationalism.
Ultranationalism IS wrong the conversation of ones heritage and history should NOT come at the price of another's.

The only reason the Argoninas razed the Morrowind countryside is because we were severely weakened by 2 disasters.