To the extent these thoughts are directed to DIR/GUE (the thread topic), it's not like they don't recognize that different kinds of dives require different equipment and protocols or that you shouldn't seek out local knowledge for local environments; it's just that for all dives deemed to be of the same kind, the equipment and protocols are standardized. Sure, I might ask myself if "they could be wrong" that the standardized equipment and protocols for the kind of dive I'm thinking of doing are not "the best way," but if they have been successfully employed in thousands of dives like this one plus many that are way more challenging than this one, it seems to me their way has proven to at least work well enough (even if not clearly "the best"--if there is even such a thing as "the best"). So, while they could be wrong, I think they are more likely to be right than wrong. Tinkering to make some change or addition to the standard equipment or protocols might result in some benefit (if all of the buddy team members agree to it), but I suspect that more often than not the benefit isn't worth it.
Loren,
We are on the same page. I think. Sorta.
I agree with your points about those protocols and skill sets which have been 'time tested' are most likely right rather than wrong. Where I deviate and take umbrage is not with your intent and formatting of standardization of gear and protocols to meet dive conditions or dive profiles, but rather that any rigidity in required standards restricting personal selection of equipment and use may not provide the utility needed by an individual in response to an emergency, change in UW dive parameters or be within their skill set abilities.
CCR is an intriguing arena, so are innovations in support gear for the extreme dive profiles as exampled by deep wrecks, caves, under ice or any overhead. I consider going deep just to set records is just insane; obviously that is not the goal of Tech. For this pushing the envelope to be done safely requires meticulous attention to all details and in my opinion well above average diver judgement and skill development. That is why I feel the diver not the group or litany of standardizations is the key to diver survival. We both know that when things go sidewise it can be in small accumulating increments or sudden blurs of "oh, crap" events. Distance and responses are time imperative. Seconds or meters may make all difference. Your approach, if I read it correctly, is primarily to stop-gap, prevent negative outcomes with standardization before the negative events. By preparing to abate negative eventualities through visualization and standards on the dive, fair enough. Once in the water no amount of personnel, gear or planning can cover all negative eventualities. If an individual is to return topside safe and alive, it will be due to their own judgment and actions; the group can not vouch safe your life, only you can. Reviewing the diving negligent events [true accidents are rare] all too often not only does a "team" member generate the emergency but again all too often can thwart an individual's self-rescue actions.
I am not nor have I professed to be a Diving Guru [no pun]. And I am still learning after almost 7 decades of diving. So my approaches may not be what any individual thinking diver needs to stay safe. Time tested to be sure, but they may not be in you best interest. Think about the essentials needed for a successful dive; the personal attributes, the planning and the gear. In my experience your diving enjoyment and safety, first and foremost needs you to make the right decisions; nobody can make them for you. What happens to you is up to you; not the team.
But hey, I still love to freedive, use double hose regs and the freedom of solo diving. Go figure!
DSO