Again, I don't disagree with you on any of your points, just your opinions
However, I know that one shotgun company (Mossberg maybe?) sells a shotgun with a double action style trigger pull. I think it is a fine idea on a PD shotgun (my carry pistol is a DAO - no problem putting every round in the 8 ring on a police sillouhette at 25 yards). I actually LIKE a DAO trigger (flame on).
I keep my 870 in the same condition you do, except with a snap cap in the chamber (safety off, pull triger, rack it, good to go).
NO amount of training can ready you for the moment when you have to use a gun. And no one would advocate carrying a pistol with a 1 1/2 pound trigger pull and say "train to keep your finger off the trigger". At the distances I would be using the gun, a 6 - 8 pound trigger with a little travel isn't going to make a hill of beans of difference (see above).
An additional concern is that my wife might have to use the gun. She has fired it enough to know that it is loud and kicks like hell on someone her size. She has also drilled with it with snap caps enough to know how to ready it. She also would use it if need be. But the simple fact is that she is not going to practice enough with this gun for me to be comfortable that she would keep her finger off the trigger until the necessary moment in a high stress situation.
Now - simple question, simple answer. Does anyone make this or do this? Does anyone have experience with it?
Don't get me wrong - I'm not going to do anything to the gun that would affect it's reliability for the sake of this. Just wanted to know if it could be/is done.