Yeah, but they didn't "gather enough data to draw broad conclusions." They didn't gather enough data to draw any conclusions at all. That didn't stop them from drawing conclusions and publishing them.
Just as an example, suppose that marking your package "Fragile" actually results in better handling on average. Telling people the opposite of that is not just publishing entertaining stories, it's doing actual harm.
Yes, I read the article. But many people won't, so putting that crap in the summary without any caveats isn't much better than just making stuff up. Slashdot is supposed to be "stuff that matters."