Sorry, to be clear I'm not accusing anyone. Just responding to OP's point about the 'hack' he pointed out the blog post was using. I am not entirely sure what is being referred to, but would be interested to hear if anyone has any ideas?
But it looks like they aren't too familiar with the YouTube tagging system. No hard feelings, you can't please everyone! :D
If anyone hasn't read it yet, it's a YouTube case study. Totally different.