(A great blog post might have compared bad vs good cases, or provided some suggestions on improving, or even looked more broadly at whether this was an outlier of badly structured/provided data or just the norm)
The whole "Try (downloading|accessing) this..." strikes me as the same kind of title as Upworthy's "You'll never believe this..." in that it seems vaguely like link-baiting. I'm a little too curious not to click just to see what the dataset is about.
Correct. I don't have a blog, and don't care to set one up. And I'd imagine a .gov link would have a lower chance of being linkbait.
I don't want to get into semantics, so let's consider this a minor detail, because the more important matter is that you're editorializing. HN has a pretty clear (and helpful) set of guidelines on posting: http://ycombinator.com/newsguidelines.html
>If you want to add initial commentary on the link, write a blog post about it and submit that instead.
I'm not trying to harangue you or anything; you make a good point but it's hamstrung by a length-limited title section.
Now, to defend this poster -- it's a quick point that speaks volumes.
"A link is worth a thousand bytes," sometimes.