It does my heart good to know that this thread and many of the posters on it have had an effect on at least one diver. That it is very likely now that one more person will be a thinking diver who knows better than to trust someone unknown to them to keep them safe, and as a result will be better informed and less likely to end up as the subject of one of these threads. That is worth every minute I spend reading and posting to these forums.
And to "tanks" , yes I am not a PADI instructor. However even if I were I would not change my approach to teaching and my opinions on dive safety and education. I actually take a bit of offense at your statement that we need to look at this as an industry. That is exactly what is wrong with much of diving today. I do not do this for a living. Where I am located I'd starve. Therefore I do not look at my students as customers, income, or a means to a bigger bottom line. They are my students, I am an educator. My job is not to put as many people in the water as I can. My job is to put people in the water who are safe, skilled, knowledgeable, competent, and do not require the services of a DM or Guide for any part of their dive plan other than to point things out, give a site briefing, and stay out of their way. I would rather put two divers a year in the water who can be good buddies, plan a dive, execute that plan, and come back safe than put 100 "underwater tourists" in who know just enough to get by.
I would love to have you set in on one of my classes and see just how much it means to me to keep my students safe. And if this means causing one who is unsure of this, has serious doubts, or is doing it for a spouse, parent, friend,etc to stay out of the water and take up a sport that does not endanger them so be it. I would rather lose money because my class is too honest and requires too much commitment than lose it because some one ended up dead.
I freely admit that I do not have hordes of students knocking down my door. But the ones I do have get the very best that I can give them and as a result are people I would let anyone I loved or cared about to dive with. Without me or any other pro in the water with them. I certainly can't say this about many of the people I see doing checkouts and getting an OW card from less demanding courses and instructors. They are also the ones who sometimes spend alot of money and time traveling just to get to me and take a class the way I teach it. Especially when it comes to my advanced classes. My classes all start with the same lines. Welcome to scuba! This sport is fun, exciting, relaxing, educational, and if you stay within the limits of your training and experience-safe. Go outside of that though too fast or too far and it has the potential to hurt or kill you in some very nasty ways. In this class we are going to do everything we can to make sure that does not happen."
And one other thing. I use many of these threads and incidents in all their detail in my OW classes to illustrate the importance of what they are learning. Autopsy reports, police reports, computer logs, and when possible photos of dead divers help to drive home the seriousness of what they are undertaking. I also show the video "A Deceptively Easy Way to Die" to all my classes. That is one of the best instructional videos available as far as I'm concerned.