http://www.youtube.com/static?template=terms writes:

"You shall not download any Content unless you see a "download" or similar link displayed by YouTube on the Service for that Content. You shall not copy, reproduce, distribute, transmit, broadcast, display, sell, license, or otherwise exploit any Content for any other purposes without the prior written consent of YouTube or the respective licensors of the Content. YouTube and its licensors reserve all rights not expressly granted in and to the Service and the Content."

Since that's pretty clear to most folk, this is why you find it hard to find support for downloading YouTube content and if there is a download button, why would we need Real?
Bob