John, you're so caught up in your persecution complex (and so mesmerized by the sound of your own voice) that you're going on and on (and on and on) about things I didn't say. Read this slowly: I'm the one saying CTE works fine as-is, without the added fantasy that it's "exact".
To answer your question, if all those top instructors, pros and JoeyA are saying that CTE works, then I agree, as I've always said. But whoever is saying CTE is "exact" is dead wrong (and I guaranty it will never be "proved").
You, Spidey and Stan seem to have become hypnotized by the mistaken idea that CTE must be exact to work. That's a big mistake because it defines success for CTE in a way that can't be achieved, and sidetracks discussion about it to a topic that goes nowhere.
And the saddest thing is that it isn't necessary. As I've said all along (are you listening, John?), CTE works fine for its users without the need for "exactness". That's a losing argument you didn't need to get sucked into. Even without it I'm sure you'd find opportunities to write novel-length posts about your imaginary persecution.
pj
chgo
As much as it pains me to say this, (well, maybe only a little) I think Patrick has really summed up the central issue in all these CTE Wars. CTE is a tool, even a system if want, and it works just fine to a certain degree. But all the video and CAD drawings in the world are not going to ever prove it's exact or perfect.
CTE is kind of like the old 3C "Spot-on-the-Wall" system. For those that don't know it, it's basically is a quick system where you stand behind one corner of the table, pick a spot on the wall, or a chair, or another table -- preferably around 10 feet away -- that is lined up with the traditional three-rail aiming spot on the first rail. Once you have "the spot" picked out, you can aim at that spot from somewhere else on the table near the first rail, to successfully kick three rails to the opposite corner pocket. Does it work from everywhere along the first rail? No. Is it perfect? No. Is it handy to know as a reference tool? Yes.
This is a true story (insert flashback music): I was playing Efren at the US Open 1pocket tournament up in Kalamazoo one year. As you might expect, he kept tying me up so bad that several times I had to kick to get safe. Anywhos, one shot he leaves a ball in the jaws of his pocket, hides the cue ball and I have no alternative but to go for the three rail kick. So the cue ball is kind of in an odd spot near the rail just below the side pocket on my side and I'm not sure of the angle. Oh, did I mention a couple hundred people are sweating the match? So now I'm thinking to myself, "I have no clue how to hit this" and I really don't want to look like a total boob and wiff the ball with a bad kick. And then I remember the "Spot-on-the-Wall" system. So I stand behind my pocket, figure the spot on the wall, go back to the cue ball, aim at the spot on the wall, adjust for it to go long because of the new cloth and balls, shoot at the spot on the wall, make the shot clean as a whistle, the crowd bursts into applause, Efren smiles.
CTE is kind of like that -- a handy tool. But a perfect exact system -- no.
Lou Figueroa