KrisB:I think part of the trouble is that people are overconfident. I'm sure that until I heard the "truth" about this dive site, I would have been confident in diving there. Now that other information has come to light (e.g. strength of currents, etc.) I'm certain I won't be diving there for quite some time.
This comes back to the dive ops. Quite often they fail to disclose the dangers associated with a dive site and say "Advanced Divers Only" -- well, really, what is an advanced diver? I've been on the same boat as an AOW with 100 dives and it was obvious I was more comfortable diving than he was, despite being barely certified (10 dives).
Something that may be good for these dive ops to consider -- the principle of informed consent. It's the same principle you agree to when you go in for surgery. You are informed of the risks and choose to take them... and they're not generic. They are specific to the procedure you are undertaking. We all know we could die from any one of a multitude of things while diving. But, we should also be informed when a situation is going to make one or more of those factors more prominent.
You touch on some very good points that have been suggested already in this thread. It is the nature of the populous.... some divers are over confident while others are diffiident, regardless of ability. And it goes further as to which dive shop one should trust to tell you the truth about a dive site.
It is a very good analogy to pose a dive shop as a surgeon. As with surgery, you should get a second opinion. This can be as easy as a phone call on the day of a dive. Call a few shops, get their opinion on sea conditions, and when you go out, see who's closest to what you observe. Of course, sea conditions can be very subjective. Judge wave height when standing at a low spot closest to the waterline of the vessel (the dive platform perhaps). Compare wave hieght to your own height.
A dive shop that gives you a lot of hastle about wanting to see your log book may not be such a bad thing. A fastidious dive operation may give you a clue as to how the whole engine works. Where I work, the front desk is the front line of defense in preventing a diver's self destruction (God bless them for their work). A lot of questions are asked and rules are rarely bent. Yes, people get upset when told they cannot dive the SG or another advanced dive and maybe we turn away divers that could perform adroitly. But, what else can a dive Op do? After all, the whole purpose is to get people out to enjoy themselves without endagering themselves.
From a dive Op standpoint... It would be very nice if divers were honest about their ability. Why does the front desk have to be the front line of defense against a divers distruction. Far too often divers arrive with the latest and greatest gear, delivering story after story from Belize to Figi and when the time for talk is over, skills are evedently lacking. How is a dive shop to know the difference between a competent OW diver and a pretentious Advanced novice who's only dived in less than challenging conditions? This crux will not be solved on this website, but think about it the next time you think you're being hastled over proof of your experience.
On the other hand, if a dive Op delilvers you to a site that you feel has been misrepresented and more dangerous than you signed up for, demand a refund. If you get a lot of flack and a run around, consider another shop on your next trip and consider yourself wiser than a dead man.