To answer your question: the "big hammer" is the blocktrades account, it has more weight than the downvote accounts I used.
I downvoted the article because it had false information about Blocktrades (specifically a claim of a 30% spread that didn't exist) and the use of the dog meme which to me communicated "you are trying to fool me, but I can see through your trick" (implying some form of deception). Maybe you see some other meaning to the meme, but maybe that's the danger of using memes to communicate meaning. I'm interested in hearing your interpretation, if you want to suggest another one.
Perhaps most importantly, as I indicated previously, I think it's important when writing an expose-type article like this to contact the subject and report their viewpoint. You could argue that the subject can post comments afterwards, but that doesn't help the viewers who never return to the article and never see the rebuttal.