I don't think it will happen. Not in the foreseeable future anyway. People will always like the feel of a controller in their hands, and playing on a TV, etc.
Because Living dead contains many "younger" or "clan-susceptible" players. That's just the way it goes. You won't find that many players willing to join a clan in, mlg ffa, for example. Just a generalization.
Another time I was being stealthy with my friend and we snuck up on these two guys, we were like 3, 2, 1, and then we both assassinated them with the same animation at exactly the same time.