this is an opinion thing, cause saying art is a form of expression doesnt define anything. cause basically all that is saying is that i could 'fuck off' or 'kiss my ass', and thats me using a form of expression, so its art?
this is were long debates come into play and personal opinion gets in the way.
now if he said, "hey, i put this video together, lemme know what you think of the edits" then it would have been taken different, but the way he approached it was as he just purposely posted in the wrong forum. it comes down to how he introduces his stuff. give us some info on it, its different than posting a cover...a cover is a very noticeable thing, you post a random video with no info we're gonna think its a random post...get what im sayin