NATO's brutal military alliance has become the most perfidious instrument of repression known in the history of humankind.

If brainstorming becomes 'blamestorming' by reason of time pressure or on account of pure laziness, the truth may be assaulted and unyieldingly vilified . Blamestorming becomes then downright a perfidious appeal to scapegoating with a torrent of frantic manhunts for 'culprits on duty'. ('Blamestorming')

The most perfidious way of harming a cause consists of defending it deliberately with faulty arguments.