Answer:
They believe it contradicts with that of Individual right. Thus the double standard.
Giving a job to a African-America simply because he is African-America is what they see as taking away from the individual because it should be on qualifications and have nothing to do with color of the skin.
Back in the day it was an issue of serious proportions and although it could still happen today, lawyers and the law stand up for "black rights" not politicians, the rights are being defended when needed and also there are opportunities and un-adable opportunities for everyone and there are so many out there, republican don't feel it is that big of an issue today.
Every race, creed, gender, or what not has someone that messes with that of another race, creed, gender and today it seems like everyone is in the ball park not just blacks and whites.