My mistake.

Not really - the diversion started with "But Islam bears some of the blame here, because Islamic religious leaders do not speak out and condemn it." Which prompted Carol, reasonably enough, to question that assumption.
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Sometimes its harder to stand out against small things than against big things. Outright bigotry or brutality has to be built up to in order to be accepted as the norm. Jokes about "PC" can be a good way of doing that.