I have received some pretty hurtful replies on this site as of late as I'm sure I can't be the only one. I honestly think a message should be displayed on each thread that says something along the lines of:
Please remember that this topic has been posted by a member looking for advice and support, so please bear this in mind when posting a reply. If you are unable to post supportively, we would ask that you move onto a different thread
It might make people think a bit more before they post?