Yeah, that's true. I expect it to be a common sentiment though, so I wanted to voice my opinion. :V
It would've been best if they localized Ciel nosurge. It would've been nice if they provided an in-game summary of Ciel. Judging from the reports of spotty QA work in places, I'm not sure they would've been able to do that lol. Creating an ingame summary would require way more than just a localization. Judging from the scope, it could require anything from a large increase in scriptwriting and QA work to more programmers with a more intimate knowledge of the game's engine to create scenes and/or import models from the Vita game.
Also it closes the door to an eventual localization of the offline version of Ciel nosurge if that ever were to happen.
If they could've provided a booklet with their own official summary, that would've been convenient enough. I'm surprised they didn't do that to be honest.