[Wait, hold the phone--] Did something specific happen to the Ingress during the invasion? Or was it because it had been used without permission? [Or was it something entirely different altogether?]

You say 'took,' but in what sense of the word? Surely, the Savrii didn't attempt to hold any Moirans against their will.

[In his defense, he only talked to Chara about the slavery and as soon as he'd heard 'children,' well ...]