I'd say that is the most widely misunderstood training aid ever developed. It has incorrectly been turned into policy by many agencies when all it was ever designed to be was a guide, a visual aid to assist officers in understanding escalation and deescalation of force.
Arguing the validity of policy is kind of a moot point in case. What is your take on the officer striking and then constricting the other party's throat? Was it warranted? Where does it fall in the Continuum?
Looking for direct and simple answers since I'm posting from an iPhone