Well, RT only exploded in popularity in the last two years when they started to actively using Youtube, so it's understandable why you didn't find them earlier.
Yeeaaah. I actually know a few people who only watch AH + Ashley daily news, which makes me sad as they don't even bother to watch any of the podcasts (which are hilarious) or any of the Animated Adventures. :(
been meaning to post in there actually, haha.