Why? You have been in the past, and the post he replied to is similar -- you quote selectively where the article supports your claim that helmets do nothing or little where concussions are concerned, but forget about the part which howsteepitis quoted.

If you're questioning information reported in the article, why did you cite it as a source regarding concussions?

Oh, right, because it says what you want to hear in one part, but not the other...