Interesting to see an official rule about this situation. I personally disagree with it, but if this is the official rule then it should be upheld.
However, in some of the videos and Facebook comments Jayson is saying that earlier in the match Earl did the exact same thing (called a ball, shot a different ball) and the referee gave the table over to Shaw. So a precedent had been set during the match and was then changed.
And not only that...
I posted this on their fb page, with no answer up to now..
"World Tournament of 14.1:
1. Introducing a non WPA rule is "ok" (not sure in terms of prestige for such a tournament) if it is properly announced at the players meeting. Was this done?
2. The TD while announcing his decision did not refer to this rule but to lack of evidence about the shooter calling a wrong ball.
3. If the official video was not clear why wasn't it excluded from evidence, as well as the referee's opinion since he was by fact not in proper position, not hearing what was clearly recorded on the other side by a spectator and was not by fact able to estimate balls alignment?
4. Since there were no official clear evidence, why the TD did not use his right (by international regulations) to collect evidence from spectators (possibly bringing the spectator video with a clear record of wrong call to his hands)?
5. "Gentleman's call" goes both ways, letting your opponent keep shooting or admitting your mistake and pay the consequences... At least for semis and final the background should be (if possible) more "isolated" in order to avoid controversy like this in the future.
All the above need to be answered thoroughly in order to clarify things, no intentional criticism since you deserve warm congratulations for your efforts in keeping this great game alive."
PS I would add that such a rule is at least "not proper" for pro Straight Pool...