Is it even possible to genocide AIs? Even if they are based on real people. Like, it’s not like you killed anyone - you literally saved countless lives by turning the system off. We just shut down the programs emulating once-living people.
Lastly, I can’t help but wonder if Sphene’s crown appearing at the end of Dawntrail suggests that her story isn’t quite over yet. I mean, being a super advanced AI carries the extremely convenient ability of being able to easily transfer yourself between electronic devices. Maybe she found a back-up server? She could be hiding in the ffxiv equivalent of Reddit servers