That's your opinion, you don't know that.
First, I misunderstand the data, then I make up my mind, and lastly, I do not know. I envy your self-confidence
The reality is that, over the years, you'll likely dive with good divers and with bad once. The bad once are a liability. If you think diving with a buddy is inherently safer than solo we have a placebo situation.
I never said what you are saying here. Anyway, I am unsure if we use placebo in the same way. Could you please tell me what is a "placebo situation" for you?
For me, a placebo is something that you think has an effect, and when you use this thing you PERCEIVE this effect, but in reality, it does NOT have any effect and anything you perceive is a trick of your mind.
In the first example Litehedded posted, the victim might still be around if he had planned the buddy dive as if it was solo.
Let's say you are right; it does not change my argument at all.
I am not discussing if solo is better than buddy, or when solo is better than buddy. I am saying that the buddy system is not a placebo. It is totally a different topic.
As I said, having only good buddies on every dive is the ideal situation but not realistic for most people unless you live in Florida maybe and only dive very few people. Many people are useless as buddies when they film or take pictures and in that case they're also placebos.
I used work as an instructor and guide and on many days I would have been much safer by myself.
I disagree with your perspective, but that is my
opinion, and it is arguable. And I am not discussing that point here. What is NOT arguable is the part I highlighted in bold. That alone makes the buddy system NOT a placebo, because at least sometimes it has a REAL effect! And that is my point
Again, I am not arguing about my vision of buddy vs. solo here.
BTW: Your friends should really use a check list. That was not a throwaway comment. Not using a checklist and 'more than once' forgetting to open the o2' is nuts. I dive solo sometimes but I sure as hell wouldn't dive with people who don't take stuff like this seriously.
He did use checklists at that time, and he always does. For one reason or another, he went too fast, confident he would not make a mistake. You may call it a bad attitude, but researchers call this "human factors" and agree that even the brightest people in the world may make mistakes. I trust researchers more than people on internet forums usually