"Defense of mass incarceration" seems like a neutral summary of the content of the speech. The author's main point, from the content: 'to speak of “mass incarceration” I believe is confusing, and it distorts an important reality.' But the literal words "mass incarceration" seem simply factual, although "mass" might be more neutral as "large-scale."
Replacing this summary of the content with the author and location, as above, replaces it with an irrelevant, content-free title, which couldn't be better designed to go unread. How many HN posts are labeled "Article by Walter Mossberg in the Wall Street Journal?"
It seems better to simply describe the link as inappropriate. But many pieces on this subject appear on HN...