A teacher afraid of telling a type of individual to behave on according she will be attacked by the entire set of individuals of the like kind. The teacher only attacks solo people, with no close relations in the class. This is called venting anger on the good students.
"Man, Ms. Smith is such a Pusseach. She won't say anything to the black people, JaQuisha just said "Fuck" ten times, that's bullSHIT!" -Edward to Alex
Ms. Smith promptly gives Edward a write up for cussing.