[Several words stuck in Takame's mind. "Epiphany", "denial", "the truth". Things that deep down he struggled to come to terms with in his own world. But he was grown, his circumstances unique. What has Monika gone through that could be comparable? As focused as he wanted to stay on the topic, the concern for this girl kept rising.

As it stood, Rosemary seemed cooperative. But he could offer her, nor Monika, any counsel. Just information.]

I do not know anyone who was taken well, but there is evidence from those who do to indicate they would never leave with no announcement or warning. Mass concern would not have run rampant if such departures were planned.