What Eskimo2 said ... Bravo!
It's nice to be chivalrous and it's nice to vulch, and I've done both and plenty other stuff, and apparently a lot of other people have too. Depends on the circumstances.
The Great Truth underlying all this seems to be that most people naturally use, within equipment limitations and published rules, whatever tactics facilitate their survival and victory.
It's much easier refining our individual equipment skills than it is to secure consensus on UNpublished rules, or convince others that our interpretation is the method of choice.
Even if all posters to this thread agreed on every fine point, there would be many others who would never get the word, and might not comply if they did. Can't let a little thing like that ruin our day.
DA seems to be the best place to joust, but even there the best defense is often a good sense of humor.
So ... in this game expect anything, savor the moments when we happen to fight kindred spirits, and keep learning from situations that don't offer redemption in real life.