Earlier quoted context omitted.
"All trademarked and copyrighted liscences are property of their repsective owners." Obviously some magic YouTube incantation to protect against take-downs :-/ With 1m+ views, it's nice to see it's made it so long. Don't feel good about its prospects for much longer though!
The 'magic' is called Content-ID and it looks for video and audio matches with content uploaded to a private (and unviewable) system by copyright holders and it takes automated action if a match is detected. Theoretically any matches are reviewed by a human, but they make it quiet easy to automate the 'review' process. Automated actions are typically Claim-Remove (claim content for copyright holder, remove from YouTu…
> or Claim-Monetize (claim content, ad advertisements
ad --> adds
Which is an interesting distinction because this means content that had no in video ads (pop over text ads, pre-roll ads, trueview ads) can get ads added to it when it is claimed, if that is what the claimer chooses to do.