A.) I'm not sure why you think I'm "arguing" B.) Yes. "Experience alone" - has no impact whatsoever on skills. I say this for two reasons:
- Because no one can ever have experience "alone" in reality; experience must follow training, even if that training is minimal and/or informal
- If their experience is truly "alone" in that they have had ZERO training (formal or informal) then yes, there will be no benefit
There appears to be a misunderstanding, since I do not think anyone here is advocating the sort of radical position that you are referring to. If you consider the things that have been written in context, in which they had appeared, you will find that they are not so extreme... I would refer you back to my violin analogy in the OP... I am, in fact, a huge believer in focused practice. I do acknowledge that focused practice is not the only way to improve, though. And, my intention in starting this thread is to understand, how other people incorporate various flavors of focused practice into their regular diving.
As for improving by "just diving"...
As pointed out earlier, at least in my experience, even if you do not begin a dive with a very deliberate, focused, targeted practice as a goal, I believe some of your skills will improve, because, again in my experience, at least, even if you do not plan on practice, unless you always go to the same spot, and follow the same boring routine, many dives will end up challenging you in some way. Perhaps you will have a small equipment issue, or perhaps you will have a cramp, or someone will kick your mask off your face, or you will have to swim in between pillars and that will force you to bring your knees closer together, or the water might push you against an obstacle, and you will find yourself having to find a way to back out, or you will drift apart from your buddy, and you will realize you have not paid enough attention, or whatever... and, of course, there are things like buoyancy that you have to manage on every dive, and where you're getting constant feedback.
So, regardless of whether you started the dive with a specific plan to practice something, or not, there WILL be small challenges along the way, and there WILL be those small, focused moments, when you have to think about what you're doing... and as you encounter more of such situations, your skills will likely improve to some extent. Or at least, that has been my experience.
Note that I write here "improve", not "master" or "perfect"... and I don't think anyone claims that everyone will deterministically improve all their skills with experience to reach a high level of proficiency.
When I wrote "focused" practice, I was referring to practice that, as in the violin analogy, is a very deliberate process, in which you have a goal, and fix your attention on either a small detail or on a very concrete aspect of the activity that you're trying to master. I do believe that to truly master something, and make it perfect, focused practice is essential. Hence my questions...
So, RJP... how do YOU practice?