After all, acknowledging unfairness then calls decent people forth to correct those injustices. And since most persons are at their core, decent folks, the need to ignore evidence of injustice is powerful: To do otherwise would force whites to either push for change (which they would perceive as against their interests) or live consciously as hypocrites who speak of freedom and opportunity but perpetuate a system of inequality.
Tim Wise (2008). “Speaking Treason Fluently: Anti-Racist Reflections From an Angry White Male”, p.61, Soft Skull Press