As good a reason as any?

Watching repeats of The Fast Show reminded me about the lady who goes, “Hah!” derisively whenever someone is seeking credit for something they think is really good.
    This offers an explanation for why that play in London about slavery does it to black-only audiences – created by letting whities know they won’t be welcome even if this can’t be stated explicitly.
    The virtue-flaggers don’t want all the white wise guys in an audience going, “Hah!” when the persecution complex on the stage gets too intense.