I cannot comment on the comment that was removed from NSC cos I dont know what is was.
My point was that its not unusal for people to use a letter of threat from a good lible lawer to have damaging comments in the media retracted when in fact one of the five establishised legal defenses can be...
Start here
http://www.senseaboutscience.org/data/files/A_quick_guide_to_libel_laws_in_England_and_Wales.pdf
Lible law can get quite confusing, there are a number of defences, and at the end of the day it a court of law that will decide. But it can be expensive getting there, and even more...