As far as I can discern, it almost exactly duplicates YouTube's search except it loads results on the same page and is a little faster (but not instant).
Yeah I think this is how it should work too - aka a list of results not just one semi-random video. Nothing against the other solution but this is actually useful versus a novelty.
Yeah, but there's something pretty compelling about having the video start playing as soon as you start typing. I agree with a comment in the previous thread that all the other implementation needs is a 'next video' button or key combo.