With the recent Google copyright featured SE algorithm update you can get illegal tube sites removed from SE top rankings.
At the moment only torrents and filesharings are the most actively reported sites. Google gets almost no DMCA abuses for tube sites
http://www.google.com/transparencyre...s/pornhub.com/
Total Requests: 214
Median Requests per Week: 3
http://www.google.com/transparencyre...s/redtube.com/
Total Requests: 32
Median Requests per Week: 1
http://www.google.com/transparencyre...spankwire.com/
Total Requests: 143
Median Requests per Week: 1
If you know that your content is being illegally distributed at tubes - DMCA Google the links, so you'll take down those links from Google (get more sales that way) and IT ALSO LEADS to tube site overall search ranking decreases.
Find detailed info on how all that Google thing works at
http://www.google.com/transparencyre...als/copyright/
Webmasters - send your top sponsors this thread or Google link and make them DMCA illegal tubes!