IMO, I don't really get why people are saying vsXIII was just a couple of storyboards and concept art, when we got a full fledged 6-minute trailer showing the gamplay, the world, and even more cutscenes. It wasn't fully voiced, but there was already voice acting in it, which probably meant that the script was already mostly finalized.
I mean yeah, maybe the hate for Tabata's XV is uncalled for, but unless they show us something more than what they are, some people will remain regretting losing Nomura's vision for the game.