I still say the the majority, if not all "PC offence" is offered and suffered by people claiming to be offended "on behalf of those that ought to be offended"
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That is exactly my view - there appears to be a body of (unelected) people - unelected but having power and influence - who imagine that certain groups will be offended by certain words or phrases and do their best to change what we can say. There is a big difference between respect and PC and these people do not realise that forcing their beliefs on the populus actually decreases respect of the supposedly enraged group(s).
My group - the majority - is enraged at PC, so where can we go from that point?
PS I have never seen a tracable dictat about nitty-gritty or it's supposed origins. I have heard that it is nothing to do with slaves.
So, getting down to the nitty-gritty, continue to speak freely with respect!
M