Melvyn,
It would still be interesting to me to hear you answer my question to you - just what do you consider a deep bunker and a shallow bunker? Would a bunker that allowed you to advance the ball forward, but not all the way to the green, and thus costing you a stroke be deep enough? Your responses sure make it sound like you favor backwards recovery and a full stroke, or more penalty.
I will say again that its more interesting if the bunker is the "half stroke" type that may or may not cost a stroke, depending on your skill. If all players get punished the same, there is no way to distinguish a player who is great at bunker play, for example, since no one is substantially better at chipping out backwards.....
I will also note that I have company in my arguments - all the Golden Age guys wrote that bunkers are to make golf more interesting, and not necessarily just to be hazards as you suggest. Again, automatically losing a hole at match play or falling behind by a few more strokes in stroke play is not as interesting as those kinds of holes that allow the occaisional spectacular recovery. Please note I do not say easy recovery, as I am not in that "entitlement" school that Pat brought up.
But, there is room on every course for some of those deep bunkers and there is room in the world for courses of all types, including a course full of deep bunkers. And those who like that can play there, while those who don't - the entitlement set - can play where bunkers are shallow. Hey, in this economy, I wouldn't bet against some course just painting the turf white to replicate the look of bunkers without the actual expense of building and maintaining bunkers. For some golfers, that would be perfect - all looks and no hazard!