Does anybody think that they threw in the whole Jedi beacon thing in was possibly for an explanation of the Jedi that I assume are supposed to appear in the new tv show? I mean we know that Yoda and Obi-Wan went into hiding so the show would suck without any Jedi in it.
That should mean that there were some straglers out on other planets who received the message to stay away from the temple. Obi-Wan seemed extremely worried when Yoda told him about the beacon which warrented them to go back to the temple to change the message. There are no other Jedi in ep 4-6 so it would seem that no other Jedi survied the attack. So why would they risk there lives to go back to the temple if no other Jedi survived? Yoda is a pretty smart guy who can feel the force, so he would have known that others were still out there. He also said that it would take the clones quite awhile to figure out that Obi-Wan changed the message.
Alot of speculation here, but this is what i thought of immediatley when they went back and changed the message. I'm probably wrong on this entire thing, but maybe, just maybe he threw that just to set up a possible explanation if he were to hand over 7,8, 9 to someone in the future. A new trilogy would be kinda weird with a family of Jedi - Luke, Leia + her kids.