The problem with cocking a DA revolver in a SD situation (particularly if you are out in a public place) is that if for whatever reason you don't have to shoot, you are left with a live, cocked revolver with a 2 to 3 lb trigger pull, lots of adrenaline and possible bystanders around. Not a good situation to be in
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Besides, with practice and the right attitude, DA shooting can be just as accurate as SA shooting. Now, if you don't have the right attitude you probably won't succeed at DA shooting. In my observations, most DA revolver shooters shoot a cylinder (if that) DA, throw there hands up and say "it can't be done!!!" This is a good example of a self fulfilling prophecy.
For me, I took that "it can't be done" attitude of others as a challenge. Within 200 to 300 rounds, I was shooting about as good DA as SA. Nowadays, unless I am trying to go for absolute max accuracy at 25 yards plus, I shoot at least as good DA. No trigger staging, just a smooth consistent squeeze from start to finish, and a "surprise" break. And therein is the problem I have with a short, light SA trigger: I have somewhat of a problem with anticipating the shot by "pushing" the gun down and forward as the shot breaks, dropping POA 3" or more low. But more than that, I tend to "snatch" the trigger whilst chasing the perfect sight picture. The same problem can occur in staging the DA trigger. Is it a training problem? Yes, but I tend not to focus on it because I do the vast majority of my shooting DA in the first place, and that is how I train to fight God forbid that need should ever arise.
And even over 25 yds, where shooting speed isn't essential, I find I still get better results shooting DA; I just slow down my squeeze. Sometimes if I'm not having a good day, I will stage the trigger for longer shots, but I prefer not to get into a habit of doing that for the reasons stated above. Next time you get a chance, take an unloaded revolver (check it, then check it again), point it in a safe direction and dry fire it both in DA and SA. In SA, note how the hammer can be cocked back further from the frame than DA (in DA, the hammer releases a shorter distance from the frame). The result is that when shooting SA the hammer strikes the frame with a bigger sight disturbing thwack than DA. It's not a big difference, but it is there. Therefore, at least mechanically, IMHO DA does have a slightly greater accuracy potential than SA shooting. Granted, you won't notice that difference unless you are trying to maximize accuracy at 25 yards or more.
Also, for practice, if you don't already have a DA .22 revolver and funds are tight, I highly recommend tracking down an hold H&R .22 revolver with DA capability. Granted, I already have a K-22, but when I came upon a little H&R 622 with a 4" barrel, I couldn't help myself. I probably overpaid by about $20 (it cost $120), but it really is a nice little gun. The DA is a little stiff, but it is pretty smooth. Certainly good enough to train on, and far, far better than the Taurus 94's DA trigger.
