Because it looks like a lot of fun... While both of the previous ones had issues, they had a lot of fun things, The art design, graphics and sound were top notch, and fun to play despite being way too restrictive. The the end of 13 was a good dungeon crawler. Whilst neither are my favorite JRPGs this gen (TWEWY, and trails in the sky are). I enjoyed those games a lot.
13-2 Had a lot of interesting mechanics. and I generally loved that game, but it had way too much recycling, too many ideas both good and bad, and needlessly complicated silly story, when 13's plot was already finished.
X-2 had a really interesting structure, with its mission based system, and long quest threads not pertaining to the main one. It built the side characters a lot. A lot of the minor characters in X got arcs which built the world. It was filled with a lot of great mini games and a few bad ones, and the job system from a ff5 tied into the silly but fun dress mechanic. While the story was silly, it was nice seeing the world you saved Not in complete turmoil immediately. I will defend this game to my death :P
While I think the story will be a mess (though i admit, I find toriyamas stories fun to play despite having a lot of issues from a narrative standpoint). it will be a fun mess with pretty graphics, great soundtrack. Gameplay wise it seems to be taking after FFX-2 with a twist.
If you don't like it at all though, And you expect the story to magically get better, you shouldn't buy it. There's plenty of other Games you haven't played.
