Well, 90/10 is a degeneration of the Pareto principle which puts it at 80/20. But then, Youtube kinda blows that all away in that it used to take two or three people just to show your Super 8 movies to your family and now your dumb-ass Periscopes are visible to the entire world with the press of a button.
The problem, as I see it, is that droning in front of the computer with a bunch of stolen clips for days at a time will be monetized per play by Youtube whereas writing a blog will not. So you've got people who will drone in front of stolen content for money because Google's business model is fucking terrible.
I have six channels. One of them is elizabeth. One of them is effectively CNN. And one of them is literally a webcam.