They're unhappy whenever their political opponents make small, sensible steps towards treating people not by the color of their skin, but by the content of their character. In such cases, they will declare the system is unjust and must be abolished.

When their own political allies make their own gains, whether its by corruption, violence, intimidation, lies, defamation, or destruction, they will hide those actions, declare you should be outcast (or worse) if you believe they took place, or declare those actions were just and necessary.