I try to avoid The Genetic Fallacy (an argument’ s validity is tempered by the identity of the one professing it http://www.catholicworldreport.com/Item/2302/arguing_well_by_avoiding_the_genetic_fallacy.aspx ).
However,in the case of the BBC disinformatschiks, I’ll pass.
“BBC disinformatschiks” -— attack the messenger. IOW, “To the man.” IOW, Ad Hominem on your part.