Listen well.
Even with future sight, the options Sam and the others had were quite limited. Nino studied every divergence she saw, every important step and its possible outcomes, then discussed all of it with Sam and Mimir. In the meantime the preparations for departure were underway. Everything was loaded onto the Nephilim ship, but there was one problem that remained and it's the human survivers.
The atmosphere was thick with tension and unease. The adults were trying to be cooperative, but there was no denying their deteriorating mental state.
The kids on the other hand were outright terrified. Some would begin to cry as soon as the the Valkyries try to talk to them. They had seen the girls kill the Fallen with no hesitation at all, and with the lack of understanding only made the situation worse.