text: It appears that the lack of blocking is intended to prevent the formation of small self-contained cliques, one of the unfortunate side-effects of the Disqus approach to moderation of discussions.
  
  I personally find reading a wide range of opinions exhilarating.
  
  The only way that posts can become  negative, life-sucking, mood altering comments in your consciousness is if you read them and/or react to them.