Here's a guy that's never rolled. Why wouldn't he be able to talk?
It might be poor body position and generally show poor form, but its a choke, and he's braced it up with the right hand. Poor as it might be, if a guy didn't know to turn into the elbow he could get choked.
Be Polite , Be Professional , but have a plan to kill everybody you meet -General James Mattis United States Marine Corps