right on art.
as you could see from the joe schmoe example it doesn't take much to be #1 in the demographic.
a 2.0 share is considered a hit. In fact I believe that MTV's highest share ever was 9.0 and that was for the Video Music Awards it's BIGGEST show of the year.
the cable companies all fight over just a few hundred thousand people, but understanding that MTV Networks has many channels to spread out it's advertisers it has better leverage than say Oxygen which is a sole channel.