Redneck may be a pejorative term, however, famous rednecks like Jeff Foxworthy and Miley Cyrus consider it a proud nationality. It is not a racial slur if the red necks themselves like to be termed as such!
People here in Michigan might know where Pakistan is if they actually bothered to listen to world news. The local news only talks about how a cat got stuck in a tree or the local restaurant is running a special.
And I get tired of hearing the line " I am not a racist, my mother in laws best friends, daughters room mates little sisters boyfriend is from one of them there African countries"