Depends in which language. Apparently in Russian it comes out like the borderlands but in Ukrainian it is one word meaning land or our land. In English it depends a bit if you consider it a country or some rebellious Russian border areas.
They’re aware of what they were saying. You don’t make a response about political correctness unless you’re trying to make a political statement.
Their language chauvinism is a sign of insecurity and indeed caused their current predicament: The Ukraine is the only country in the world which has banned a language: Russian.
Oh look, a paid propagandist in the wild on HN. You lot don't survive here for too long. Go learn English language rules and then come back (or better don't).
It may be grammatically correct to say “You’re an ignorant twat with a whore for a mother.” But that doesn't make it an accceptable thing to say.
After reading its older comments, it seems your phrase is rather too polite :) . What a crazy account, like every comment is either a lie or a an insult.