MikeFerrara once bubbled...
We can argue about where the minimum standards should be but I'm certain that at the end of an OW class a diver should know what good looks like and they don't. I don't believe that the goal of an entry level class is to put out polished experts but the should have a
Mike, clearly the difference between knowing what looks good and doing it will take more than 4 certification dives (PADI). YOu'd have to tell certified divers - sorry but to dive in the quarry (or on this reef) you must show your Peak Perf Buoy cert and AOW too? Wherever they dive - that is where they are going to get experience. Why not swim over to the next violator you observe and show the hovering sign and point to the messy trail they are leaving behind.
Tell everyone who comes into your shop to do the same, pretty soon you'll have everyone at the dive sight recognizing bad vs good, and pointing it out to their fellow divers, while taking pride in their own ability to avoid being targeted for criticism. Post signs around your shop with illustrations and petition to get a few signs posted around the quarry too.
This is a personal mission for you - and someone has to take up the cause. I appreciate the effort you're making to raise awareness with all instructors and divers on this forum and everyone within your sphere of influence. Beginning divers must especially pay attention to the continued advancement of their buoyancy skills. Clearly it is vital if our future generations are to have a piece of what we have now.