Yeah, no.
Yes, someone invented the technique. However, that person (and more likely, persons, in my opinion) didn't do it in a vacuum.
Never claimed otherwise.
They created fighting methods based on actual fighting; they codified what they learned the hard way.
Neither of which
requires a teacher.
In no case did the ancients read the Bubishi and emerge able to fight.
Didn't claim they did.
You can say "it is just a physical skill," all you want.
I think I will. 'Cuz it is. All physical skills are learned the same way: through physically doing. Instructors are just there to help ensure it gets done "right" sooner along the learning curve. There's an old saying, "Practice makes perfect" which eloquently speaks to the fact that physical skills require physical practice to perform properly. There's a newer variation of the same saying, "Perfect practice makes perfect." This succinctly speaks to the fact that improper training can, and often does, allow errors to be practiced; errors which may render the physical skill flawed in dramatic ways.
The fact is that no one reads a book on how to ride a bicycle, gets on a bicycle, and rides it. It takes actual practical experience, no matter how many photos you have seen of people on bicycles. You can see a video of a man swinging a hammer at a nail, but unless you have apprenticed with a carpenter, chances are you cannot drive a heavy nail into hardwood with two blows, the tap to start it and the finishing blow that drives it all the way down. I've tried, it's not as easy as it looks; and that's just driving a nail, for crying out loud. A very 'simple' skill.
With all politeness, you seem to be having some confusion with conflation of my position with others which I have not taken. I have not claimed that a person can merely "look at" a skill being performed an learn it just from that. I have also not claimed that a person need not practice a physical skill to learn it. What I have claimed is that a person need not have an instructor to learn a physical skill. Yes, I said that. An instructor is not
REQUIRED. As I wrote earlier, I know this for a fact because every physical skill had to be developed afresh at one point by someone who had never had anyone teach that skill. It must have been "invented" by someone. Yes, probably refined over time. Yes, through practice, trial, and error. But even with your example of a two-strike nail, someone had to learn it on their own, with no instructor, the very first time. Unless you posit that Prometheus taught hammer-and-nail skills, along with fire, to man, then there
must have been a Patient Zero. It is the same with any physical skill, martial arts related or not.
So yeah, it *is* magic in a sense. There are so many subtleties, so many variables, so many minor details that are simply not visible in a video, a photo in a book, or a written description, that I do not for one minute believe a person can watch a Youtube video and teach themselves to perform a martial arts technique properly.
Again, there had to have been a "first person"; the guy who invented the technique. If he can do it, so can someone else. Once again, to be clear, I am not saying attempting to do so is a preferable, or even a good idea. It is not. Attempting to hash out even a single a martial skill will, of necessity, take dramatically more time and will probably be dangerous to the person trying to "figure it out on his own." If there is a teacher available at all, this is is labeled, in technical terms, a "bad idea." Not only bad, but foolish to boot. If there is an instructor available, why spend dramatically more time and risk to yourself? Pride?
Take your nail driving example, for instance. I guarantee that I do not need to Apprentice to a carpenter to learn it. Through trial and error I could learn it all on my own. But it might take me days, weeks, or even months to "figure it out," and possibly risk damage to my tools, my materials, or even to my arm, when a carpenter should be able to show me the proper form and cut that learning curve down to a fraction.
Physical skills aren't magic, they're just physical skills. They take time, effort, and repetition to learn, all of which are either foolish or dangerously stupid to try to do with a martial skill when an instructor is available. But someone had to do it the first time. I'm just thankful that they did so that I don't have to (usually).
Peace favor your sword,
Kirk