NO, no, thats just fine if no one tells what the videos are about. It just makes it so easy to tell if you'll like it or not...
Here's a few of my favorites.
Satellite tv skit (language) -
http://www.youtube.com/watch?v=w9N6f...e=channel_page
Narcoleptic dog head shot -
http://www.youtube.com/watch?v=JB4Z0...e=channel_page
Favorite live performance ever - SOAD toxicity -
http://www.youtube.com/watch?v=bLIYe...e=channel_page
amazing guitarist all that remains cover -
http://www.youtube.com/watch?v=qr_Mi...eature=channel
Dimbag Darrell shredding (little language) -
http://www.youtube.com/watch?v=eIXo1...e=channel_page
I have over fourty favorites and it's hard to chose only this many but I'll back off for this post.