I think it's petty to think as such. Aaron Swartz has been a major topic of discussion on the HN Front Page for a couple of days now, hence it could very well have been instantly submitted to HN by some over-zealous HN reader as well. (Do remember that a sizable number of new users have joined since the initial news about Aaron's death.)
Just in this case, I'd suggest giving them the benefit of doubt.
Just in this case, I'd suggest giving them the benefit of doubt.