Well there's already one post in this thread that's got me scratching my head in disbelief.

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Sorry, Pete, but I disagree about ignoring repeat offenders. It's by far the best way of frustrating them and not getting drawn into pointless squabbles. I also think that, in an honest forum, we shouldn't pussyfoot around people who post intolerant, insulting, lying or bigoted things. Of course, there are diplomatic ways of handling those things, but a blanket "let's try to understand..." philosophy is pusillanimous. Some people just need to be told. Perhaps in a slightly nicer way than we sometimes manage. Sorry for denting the delicate tone of the thread, but...