Hmm ...
Could the same effect not be achieved by selecting a comment at random from a small pool of options?
e.g.
"This raises interesting ideas."
"Surely nobody believes this."
"You couldn't make this stuff up. Oh wait somebody did !!!"
"At last !!! Somebody gets it !!!!"
"I blame {Facebook|Sunspots|Twitter|Aliens|$POLITICIAN|$EVENT}"
"How does any of this help the environment?"
"Where's the IT angle?"
The number of accompanying punctuation marks, errors of spelling or grammar, quotes from the article and inappropriate capitalisation could also be randomly generated.