According to Hulu's "Help" section, "Tags are keywords or category labels that can help you find videos on Hulu. They also classify videos for later recall." The tags are also user-generated, but have guidelines, including rules against "tags that are inciting or spiteful." Users can flag offending tags for removal from the site by Hulu administrators. Thus far, it appears no one has taken significant issue with the editorializing of Perry's singing.
Here's the clip of Perry singing "California Gurls," for objectivity's sake:
See web-only content:
http://www.theatlantic.com/entertainment/archive/2010/09/katy-perrys-snl-performance-tone-deaf-train-wreck-according-to-hulu-tags/63619/
http://www.theatlantic.com/entertainment/archive/2010/09/katy-perrys-snl-performance-tone-deaf-train-wreck-according-to-hulu-tags/63619/
This article available online at:
http://www.theatlantic.com/entertainment/archive/2010/09/katy-perrys-snl-performance-tone-deaf-train-wreck-according-to-hulu-tags/63619/