Many of these comments seem to indicate that lots of people are threatened by diversity, that maybe their privilege is ending and they might start getting treated as equals.
And to those commenters who think current hiring practices are fair:
Are Emily and Greg More Employable than Lakisha and Jamal? A Field Experiment on Labor Market Discrimination
"We find little evidence that our results are driven by employers inferring something other than race, such as social class, from the names. These results suggest that racial discrimination is still a prominent feature of the labor market."