A crucial point is still that anyone can create as many private keys as they want... nevertheless, it is becoming clear that there is small but steady growth! Don't ask me for figures, but what is happening in the background and will sooner or later render all other protocols obsolete is not a problem as long as it grows slowly. I've been hearing your argument a lot lately, but unfortunately I can't confirm it! Let's wait and see what happens when the censorship gets tougher