I very much appreciate the comments left on here and the debates they spark.
I have recently had a problem with a (very small) number of contributors and turned on comment moderation. This was because of spamming and in some cases libellous posts.
However, it is obvious this ruins the flow of responding and so I am turning it back off.
To be blunt about this: there are many, many corners of the internet in which it is possible to argue and insult one another, I hope this doesn't become one of them. I will have to delete comments that are deliberately offensive or generally out of order.
Please play nicely!