(
Blip.tv/
YouTube)
Sometimes in life, a person, product or service you like will be mocked. Part of maturity is having enough perspective and self-control to handle that appropriately. Those that can't manage that are doomed to the ranks of the Fan Dumb.
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Amusingly enough, the RP video that followed the one I discussed has been pulled down on a copyvio claim
(Update: It's been uploaded to Blip.tv). So much for "the video creators tend to take it well."
From a legal perspective, both LPs and RPs are derivative works. Derivative works can only be copyrighted if they display some degree of originality. The law in this area is murky - even more so than with copyright law in general - but if the LP is deemed sufficiently original to have a copyright, I'd have to assume that a commentary on it would also pass muster. Retupurae has an additional defense - as a commentary, it is legally considered parody, and parody gets a wider berth (something Seamus mentioned in response to the fans who wanted him to file a copyright claim). There's just not much of a case here.
Of course, Matthew Needler - the user who issued the claim - knows this. The copyright standards for Retsupurae were settled after YouTube reinstated the original account. People like him are relying on YouTube's slow copyvio claims process and notoriously gun-shy attitude towards anything that even smells of copyright.