I'd agree with you about the release and getting a person to move their body forward towards the tips of their skis in order to get the skis off of their edges to flat. Or maybe I'm missing your point and you're referring to angulation. I'll assume the former. As a learner, that is the MOST CRITICAL aspect of beginning the journey to progress from intermediate to advanced or expert skiing. Since the whole aim of this thread is to help the intermediate progress, my focus will be on that one aspect. Once a person overcomes the psychological barrier of moving forward towards the tips of their ski's, which can be an unnatural act, they will quickly discover that they will not fall flat on their face, and that the skis will begin to do what they're designed to do because of their shape, and that they have control over the tips of their skis. It truly is an Ah-Ha moment. Once a person trusts their equipment by proving it to themselves, their journey can continue. As always, start out on easy terrain, standing perpendicular to the fall line in your athletic or stacked stance, (ankles, knees, and hips flexed). A person should feel equal weight on their feet at this point. Allow yourself to lean forward. You will now feel your weight on the balls of your feet and your shins pressed against the front of your boots. When you do this, the skis will start to move down hill towards the fall line. This is gravity taking over. As the skis point more towards the fall line, shift your weight to your outside ski. Because of the ski design, once you put your weight on that ski, you will begin to turn, and the edges of your skis will engage. Allow yourself to go through the turn and ski back uphill to a stop. Get back in your athletic stance and try it again going the other direction. Rinse and repeat as necessary.
Obviously, I understand that there is more to the whole process than just this simple exercise, as evidenced by my earlier post outlining some of my own trials and tribulations this season along with some of the breakthroughs I had, but I truly believe that if a person is ever going to begin to progress beyond the intermediate stage, they have to become comfortable with moving forward to release the skis from their edges. Later, they can learn different types of transitions and how to transfer weight higher in the arc to begin their new turn, and start putting more pieces of the puzzle together. Just my .02 cents, hope it will help someone.
Consider that there are two "forwards." This might be an unneeded clarification, but it's my lunchtime and I'm on the internet.
Forward #1: Moving the body more over the tips of the skis than before, loading the tips.
CoM (center of mass) moves along the length of the skis towards their tips. Try this on any terrain, while heading across the slope in a diagonal traverse. Do your skis flatten and turn down the hill? Not unless you do something else.
Forward #2: Moving the body across the skis, flattening them first then tipping them from one set of edges to another.
CoM moves across the skis, from the uphill side of them to the downhill side of them. To do this, the skis need to be traveling across the slope at a diagonal, and the CoM needs to be uphill of the skis. You can start doing this when the skis have just begun to turn past the fall line, or wait. You can do it fast or slow.
You can do #2 just a little, getting perpendicular to the hill, and wait when skis become flat, encouraging them to turn/drift towards the fall line while you stand tall over them both. Then as they point downhill you can move across the skis - which becomes a sideways move instead of a downhill move. This modification helps a person avoid moving DOWN the hill at all.
#1 and #2 can be combined. Or not.