This is a quote from the book "The Gentleperson's Guide To Forum Spies" by Cryptome.org
...if their emotional response addresses the issue, you can further avoid the issues by then focusing on how 'sensitive they are to criticism.'
read full book
19. Ignore proof presented, demand impos
sible proofs. This is perhaps a variant of the 'play dumb' rule. Regardless of what material may be presented by an opponent in public forums, claim the material irrelevant and demand proof that
is impossible for the opponent to come by (it may exist, but not be at his disposal, or it may be something which is known to be safely destroyed or withheld, such as a murder weapon.) In order...