Practicing a politics that identifies allies and opponents based upon racial identity(rather than actual policy positions)is fool's gold, regardless of which side of the racial divide you identify with/call your own.
Those looking for progress should seek common ground with others rather than basing their politics upon denigrating/divisive constructs of race, gender or sexual orientation.
Here is a perfect example of counterproductive SJW politics:
Racism & Sexism Exist on the Left, Too. Here's an Example
--Racism and sexism also exist on the left, and David points out one such example from feminist activist Amy Siskind