I've never seen actual evidence that an OOA diver will go for the reg in your mouth...
I sincerely hope you don't run into a diver that has run out of air, lost his buddy, and in their panic looks for any air, not necessarily a reg in their tunnel vision, and sees yours. It doesn't happen often, and shoving another reg at them, if you see them coming, can solve the problem. It has happened to me, and it was never my buddy.
The problem with air 2 and the like is they are mostly sold to newer diver as a convenience without thought to implications. I almost fell for it but I went and had a think and a bit of research. Safety starts before your climb in the water.
There is nothing inherently wrong with air 2, it is just another gear choice for a diver. It has its advantages and disadvantages, and depending on a divers personal preference is acceptable or not. Although I now use a longer hose and bungeed backup, it was not do to any inadequate performance on the part of my air2 clone. Before that I used a normal configuration with two second stages, before the yellow faceplate and hose was even available, and prior to that the normal, for the time, single second stage.
AMEN, Scubamat!!!! With the attitude some of these divers have I think if if I had to dive with them I would invest in a pony bottle and just dive alone myself. Safety does start before you get in the water and as far as equipment goes, it should start before you buy it.
I suppose I could take that attitude, however since I already dive solo, usually without a pony, there would be no point. There is a difference of opinion, dismissing another's choices as attitude doesn't really move the discussion forward.
SCUBA safety starts between your ears and depends more on one's watermanship skills than any peice of equipment.
If you could send me a list of unsafe scuba gear being sold today I would appreciate it.
Number of dives is interesting...it took me zero dives to know that I don't want my primary out of my mouth if at all avoidable. "What you don't get".......with 2499.......
The only time a diver needs the reg in their mouth is when they are breathing. Occasionally it is benificial to be able to function normally for a while without the reg in your mouth.
Bob