OODA loop is often hyped, but really it is just a description of how humans (and animals) behave in almost any situation. "Look, Think, Decide, Act" in other words. It's not valuable in the sense that you can "practice" or "apply" the loop and perform better. Your behavior already follows this model. Its real value probably came from presenting this common decision making process in a way that appealed to upper milit…
I've never been in an organization that needs this sort of model, but my assumption was it was more about what not to do. Don't second guess yourself endlessly, don't panic, don't reminisce about what could have been, don't blindly repeat your last action, don't freeze, etc. In high stress situations people tend to do dumb things, this sounds to me like an attempt to say "don't do that" without saying the word "don't…
Formalizing the decision making process helps get to the point where you can make a decision. In risk averse organizations, this is extremely valuable.