Because people who set the narrative have decided that it's the way things should be.The Ginger Beard Man wrote:Why is race almost never relevant in black on white crime, but almost always in white on black?
White vs. black = Racism. Black vs. white = Unfortunate (and understandably deserved) side effect of white racism.
Our betters have decided that the scarlet WR of White Racism is anathema in acceptable society and many people will go to ridiculous lengths to avoid that wicked stain, while others have developed identities based on exposing and purging society of WR.
Much like the Spanish Inquisition or the red scare of the 50's, no one wants to get caught in that buzz saw. See Paula Deen as a recent example. Andy could have said it better and pithier than me.
Kaz does not suffer from this, Spells might.