HappyFunBoater:
I don't understand the logic. Of course everyone agrees that the diving you described is harder and more dangerous than, well, easier and safer diving. That's not the point.
The question is whether you will learn more in (a) an un-supervised dive, or (b) a training dive with an instructor?
Well, first off, those aren't the only two available choices ... and even if it were, the answer would be "it depends on the circumstances".
The point of AOW shouldn't be to help you master the skills you learned in OW ... mastering skills (in diving or just about any other physically-related recreational activity) is as much about training your body to respond to muscle-memory as it is about actual knowledge. In this respect, you need to practice.
Let's make an analogy with another sport that draws on muscle-memory ... skiing. You go out and take a lesson. Your instructor shows you a few things to work on. Do you then go out and practice those skills, to the point where you're reasonably competent with them? Or do you immediately go in and sign up for another lesson on the assumption that you'll get more out of the practice if an instructor is with you? Well, the answer is that it depends on whether your intent is to learn new skills or reinforce ones you've already been taught.
Same goes with AOW. Some instructors market it as a class to learn new skills. Others market it as "five more dives under supervision". The problem with the latter is that those dives aren't going to teach you anything new if you're still struggling with the stuff you learned in OW ... that's why so many people post on this forum that they didn't learn anything in AOW.
If your OW instructor did a decent job, you can learn plenty by practicing on your own ... you're training your body to do what your head already knows it's supposed to do. And you'll do a much better job of learning it in a familiar environment ... i.e. shallow, benign conditions ... than you will by doing a deep dive or a night dive, where you've got other things going on that you need to be paying attention to.
HappyFunBoater:
If the AOW class doesn't teach you to deal with those increased risks, then what's the point of the class? I'm talking about an AOW class that actually achieves expected goals. Sounds like you're debating whether the typical AOW class is a waste of time, not WHEN it should be taken.
Actually, what I'm saying is that you'll get far more out of your AOW class if you wait till you're comfortable with your basic skills before taking it. There are any number of threads in this forum where that debate has already taken place. What I have gotten from reading them is that a significant number of people who said they got nothing out of their AOW felt that way because they took the class too soon ... and so their instructor had to spend his or her time working on remediating basic skills rather than teaching anything new.
But as for deeper diving, let me ask you a question ... did your AOW instructor teach you anything about gas management? If so, what? Dive planning? What? Buddy skills? What? How, exactly, did you learn to prepare for a deep dive?
... Bob (Grateful Diver)