Offenders are typically crying for attention, with have low self esteem and attention deficit problems.
Similar to the traditional "flogging a dead horse".
Pseudo-intellectual 2: I support this, and would like to further add: ... (3 paragraphs of rhetorical questions and half-baked psycho-analysis).
<2 weeks later>
Ring-in: This isn't really my argument but in my opinion both sides are wrong. I don't want to say a lot but... (10 paragraphs of literary quotes, topical allusions and first year philosophy diploma name dropping).
Observer: Doesn't this ring-in know that he's blogging a dead horse?