If the shooter as some familiarity with the weapon they are using in SD, yes, the weapon won't be a major factor. But, if that same person had lots of experience with SA autos, but Zero with DA revolvers, they may be in from some trouble. Expecially with a 2 inch snubnose. I've seen many a man who said they knew how to shoot a snubby, but when they did it on the range, fast, they could not hit the broad side of a barn.
Now stupekid is a 10" POSCAR fan and Star Bowl Movement (chopped to shit also.) He has so little real experience with things like SA/DA Sigs, or Glocks, or revolvers, not to mention bolt guns and lever guns and pumps (and shotguns he is just scared shitless of) that you know he would goof the shot, if not just throw down the gun and run (or plead for his life.)