Because they don't see it as bigotry; it's the same willful dismissal that's greeting the DOJ report of Ferguson.
Every site with any thread relating to it is awash with bigots decrying the inherent racism of Eric Holder holding decent PD's like Ferguson to account.
When you have people defending the murder of an unarmed 12 year old child by police, the idea than an entire system of injustice has been institutionalized against minorities just cannot be fathomed by their carefully minimized brain activity.
That would be an excellent start. Then we could work on the rest of the world.
NETANYAHU GUARANTEED IRAQ WMDs also! = PROVEN LIAR!
SPEECH OF A LYING MANIAC!
23 years ago (1992) NETANYHAU MADE SAME STATEMENTS ABOUT IRAN
23 YEARS LATER IRAN STILL HAS NO NUKES: