I'd seen that before. Leads to the embarrassment of interviewing "Javascript Engineers" for a Java position and having to inform the applicant that your HR department is full of fools.
That is hilarious. Really though, most people in our industry are constantly being recruited for jobs we don't want or aren't vaguely qualified for. But, hey, it keeps LinkedIn in business!
I think he said that HR departments suck at hiring because they outsource to tech companies who use keyword searches.
I could be wrong, but I think the problem is a bit more complex than that.