It’s rather clear when you’ve seen a few what’s a bluff, and I don’t take it for granted that I can speak bear the .375 is ready. But shooting outside 25 yards is ill advised in my judgement and risks as much inciting a real attack from a bluff as it does saving your hide. I hesitate to say what I really feel is the range cutoff as folks will accuse you of being reckless, but when you go do it, it makes sense. I couldn’t have done all the paperwork shooting every bluff would have incited, and likely would have made a couple real emergencies out of plain old grizzly communication.
I hear you on take the safe road and live to tell the tale, often that’s not shooting at a grizzly that’s moving your way though. That’s Phil’s rationale too. If you want to turn things south, wound an agitated grizz in a corner.