XV is one of the biggest and most critically acclaimed games of this year, making many top publications' year-end lists for best games of 2016 though. It's also the fastest selling FF game ever, so I'm not sure where you're getting your information from....
FF Brave Exvius (the mobile game that Ariana is in that you're attempting to throw stale shade at) isn't even considered a mainline FF game, nor is it canon in any way, shape or form. The backfire.
Try again