A. I know nothing whatever about the circumstances behind that felony stop, other than what was mentioned by one of the officers about their having information that the car may have been involved in some kind of felony. If the officers believed that, they made the stop in good faith. Nothing leads me to believe that it was anything other than a good stop. That said, I have almost NO info on it.
B. Taking all things into account, the shoot took place in a rural area, with a wide shoulder behind the dog. The firearm was pointed at a downward angle, away from the other officers, the suspects, and the street. The shot thus did not endanger anyone but the dog. The officer packpeddled for some distance before shooting.
C. From what I can see, the officer's just wearing a standard midnight blue street uniform and duty belt. I certainly don't see anything resembling "full tactical gear." That's not another deputy; that's likely a municipal police officer who arrived to backup the officer on the felony stop.
D. Why should the officer, a human being, be required to take a bite from a dog, before he can stop the animal from attacking him? While the animal may have had the noblist of intentions in protecting his master from what he perceived to be a threat, the animal was in fact attacking the officer. Ever seen what a 30 lb dog can do to a hamstring or forearm used to fend it off? I have, recently. How many ounces of flesh fit in a 2.5" dog-sized chomp? At any rate, that's how much got chewed off the jogger that attacked in our city, recently.
E. That said, would shooting the animal be my first choice? Perhaps not. As an officer, the main reason I carry an expandable baton (other than for breaking windows) is for dogs, so that I don't have to shoot someone's dog on their front porch when I arrive to answer an alarm call, or the like. When I see the dog, I'll usually get my ASP out ahead of time, weak-handed. The last time I snapped out my baton while approaching a house with three dogs, however, they ran to attack me, anyway. Changing my plan, I drew my pistol. Strangely, the same dogs (pit mixes) that didn't respect a 26" steel rod stopped and retreated at the sight of my Kimber. I have no idea why. But one thing is for sure: I am NOT going to get bitten, if I can help it. And I wouldn't ask the officer to, either. Suppose he kicked the dog to the side, and it attacked one of the contact officers who was dealing with the suspects, who had NOT been frisked yet? Would that have been an escalation to the problems? Yes, I think it would, with the dog now in a position where the only answer would be to put hands on it, taking full attention off of the three suspects.
Remember, this was a felony stop. Full concentration is on the 3 felony suspects.
Coward? No way for me to tell. Pragmatist? Most likely.