>or people that actually believe that, I'd like to think the
>former.

I think most of them know that it's a spoof, they're probably just trying to extend the joke to confuse people who might of came across the the video without knowing that it's a spoof.

A few of them think it's actually a real video. I did when I saw it posted on a forum. Then I started to scroll down the page and saw the funny reaction to video, which confused me, until I went to the video page and saw the comments and their other videos.