Oh, man. You just said carrying a Glock and a 1911 condition 0 are no different? Go look at a video of a Glock cut away model being cycled, and then do the same for a 1911. You'll see the difference. The Glock is hands down safer, and I'm a 1911 and a Glock guy, so I don't have a dog in the fight.
Your argument about Nathan's knowledge regarding 1911's just shows that he's more likely to carry a 1911 with a much shorter and lighter trigger pull than most.
what does the nuances between how the fire control work have to do with both methods being considered condition 0? you can substitute the glock with a S&W, Ruger, Taurus, Canick, Sig P320, Kahr, and on and on.
let me ask you this, is there a difference between a Sig DAK/ HK LEM trigger and glock with a round in the chamber and the slide in battery? Im not talking about the nuances between the individual fire control systems, rather the state they are carried in. Now extend that to the state a 1911 would be if carried in condition 0. what condition would my HK USPc V1 be in if it had a round in the chamber, hammer back and i do not engage the safety? how is that different than what nathan is considering? outside of your feelings, how is this any less safe from a practical standpoint if the four universal laws of handling firearms are followed?
now it might be a method you will not advocate for but does it make it an invalid method? No, its a very prevalent method just being used with a firearm not commonly associated with that method of carry.
now, to your needlessly risky method of lowering a hammer on a gun with a loaded chamber, that method is not acceptable in any of the competitions i shoot and not considered an acceptable practice in any of the training classes ive taken if done without the aid of a decocking lever.
does this mean you cant do it, of course you can and probably will continue to do so. My opinion is not going to sway your belief. Just know you are putting yourself at a greater risk for a negligent discharge.
nathan has stated countless times that he leaves the triggers on his guns as they are when they leave the factory, especially on his carry guns. i'm not sure with what information you based that conclusion on.