But when you compare a revolver double-action trigger to a Glock trigger, the revolver does not shine so brightly.
13 pounds finger pressure combined with 1/2" of trigger travel does not contribute to accuracy IMHO.
#1) that is also an apples to oranges comparison. If you want to be fair comparing DA trigger pulls, you need to compare revolver DA to semi auto DA triggers.
#2) GLock triggers are not always the "perfection" claimed by their marketing dept. Now, maybe I got my hands on the "only" one that wasn't perfection to come off their assembly line in the last 20 years, but I kind of doubt it...
I forget the exact model #, but the gun was a compact .45. I put 250rnds through it, and the trigger pull was horrid. It was inconsistent, literally changing every shot, or every couple. Every combination of long, short, heavy, and light were randomly encountered. EVERY time the trigger was pulled a different combination occurred. There were a few times the trigger felt the same for two consecutive shots, but never 3 shots in a row.
No pistol should do that. It was bought new on Friday, shot on Saturday, and sold slightly used on Monday.
My point here is that there are examples of exceptions to every "rule" of performance you care to name, so I don't think its particularly useful to compare anything other than actual individual guns.
Don't leave out the differences between people, it's the most variable, and important part. Shooters range from the guy who can bend 1/2" rebar with his bare hands to someone who is lifting 1/4 (or 1/3!) of their body weight picking up a 30lb bag of dog food. And, physical capability is just one variable. Skill is another. All possible combinations exist, so blanket statements have lots of "holes" in them...