That Vulture article was bad - but A.V. Club might have clinched the prize here http://www.avclub.com/article/aphex-twin-released-ton-music-online-free-219256 There are definitely a lot of tracks in the downloaded file that are also on the YouTube playlist, but since they’re both so long and so many of the songs have names like “prncDMC” or “1.5 Dp5 Beats,” it’s hard to tell if they’re exactly the same. Figuring that out sounds like a good job for someone with a ridiculous amount of time on their hands.