"Forcing people onto" VZW and AT&T has made the duopoly what they are in wireless.
Do you think that acquired AT&TWS, Alltel, RCC, Dobson, Centennial, etc., subs were thrilled? A lot of them were not. But inertia itself is a powerful force. Most of the acquired subs got over it and stayed because that was the path of least resistance.
AJ