There is excellent exposition on troubling diction to be found at the blog of frequent commenter Nathan Kaufman. His conclusion:
The U.S. should look to words and ideas from U.S. history as guides. The U.S. should not borrow ideas from fallen societies or less-than-ideal situations. I don't know about you... but I want to live in a country with governors, mayors, presidents, elected representatives, competition, freedom and opportunity. A country with "czars" and "viceroys" is not appealing to me.Read the whole thing.