First, as to my post and response I got a few days ago (= 5 pages ago) - obviously no aiming system is perfect or will enable someone to make every ball 100% of the time. We are human, we make mistakes, either in sighting, pivoting/moving into the shot, or mechanics of the shot itself. Even the best players in the world make bad strokes from time to time, steer the ball, etc.
However, without aiming correctly, you'll never make a ball no matter how good your setup and mechanics are. Even though these threads focus purely on aiming, and some others may focus purely on some fundamental step, it should be obvious to all that they are intertwined and both are required at a high degree of accuracy and repeatability in order to play this game well. We can debate which one is more important, but certainly working on and improving either of these things, as well as pattern play, speed control, mental focus, etc., will elevate one's game.
As to the original post, certainly fractional (or any) aiming systems can help players build a cataog of reference shots and help build a solid framework and preshot routine, as discussed in the other aiming threads. There certainly is some element of feel using CTE/Pro1, but no more so than using any other aiming method. Whether it's ghost ball, CTE, 90/90, fractional, shadow, etc, we still have to estimate where the correct line of aim and hope our eyes, based on experience, are telling us the correct spot. We still have to align our bodies to enable us to deliver the cue ball to that spot. We still have to move into the shot along that line, place our bridge hand in the correct position, and make sure everything is consistently lined up per our normal individual setup. All before attempting to make a decent stroke to actually deliver the cue ball to our intended spot.
To me, finding the proper aim using ghost ball is no different than finding it using CTE or other systems, just another means to an end. I still have to visualize something, an invisible ball/spot, some lines, a fractional overlap, a shadow, etc., and then align my body to be able to deliver the cueball to that spot. As I move into the shot, I still have to place my bridge hand in the correct position based on what my eyes are telling me. Whether I get there in a perceived straight motion or by pivoting to that spot in a consistently learned manner is no different. I think with either method our eyes are leading the way and we just automatically follow by building our stance and bridge around the shot at hand.
Scott