There have been pages upon pages on SB throughout the last few years, and probably longer, concerning the role and responsibility of a guide/DM before, during and after a dive. As per Scubaboard's unique style, no consensus was ever reached. My takeaway after many headaches from reading too many posts: Pre-dive communication (divers and the guide per expectations) is important and, most importantly, training of new divers to realize they and they alone are responsible for their dive. Many pages were also spent discussing proper training, the current state of training and the current state of wannabe divers. Let's remember that, no matter where you are on these topics, someone lost their life and we are all deeply saddened when this happens.
Rob
Rob