Well, people have already guessed that it was a retelling of the movies long before this confirmation. There were plenty of clues like Beerus being awake already several months after the Buu saga, when he should still be sleeping for a few more years and the circumstances of him remembering his dream of SSJ God being different. Honestly I don't see much of a point of retelling the movies when they're such recent material, plus making them AU when a big draw to those two movies was the they were supposed to be canon seems like a bad idea. I wouldn't mind if they just told of the events from in-between the movies, so we can see things like Vegeta becoming SSJ God, how Goku and Vegeta discovered SSGSS, or Frieza's training. But I guess they think it's too much to expect the tv audience to have seen the movies? So they think they need to retell them for the tv only audience? Well, at least we got confirmation that we'll eventually get the other universes. I've been looking forward to that since it was mentioned at the end of BOG.