Yes, because of their criminal problems. Not because of their language, clothing style, food preferences, etc. But because of the enormous percentage of criminal involvement.
That is the same claim that "racist" in the US make all the time... Simply assuming that a person engages in criminal activity because of their ethnicity is bigotry.
Are you by chance not a USA citizen? I have some stereotypes about US citizens too.
US citizen is not an ethnic group you moron.
I don't think that the movie was proposing that the issue or solution is eugenics based. I would argue that educated people are probably able provide a better education, and that uneducated parents are less likely to be able to provide their children with a quality education.
I don't specifically remember Idiocracy really going into depth about "passing good genes".