the Galactic allegiance was used to most of the human emotional quirks, they knew about our anger, and packbonding, our mental illnesses like depression, and how small things and gestures can bring us joy, and especially our compassion. but they had never experienced human indifference. Especially when confronted with those that had caused great pain. Humans have the capacity to just not give a damn -- Adam in Darwin
Of all the Human reactions that could have occurred when the Vol'nath Empire collapsed, the last thing they expected was, "Meh."
The most they could get out of a human was sentiments like, "Saw it coming," or "Overdue," or, "Bound to happen." But, by and large, all they got was, "Meh."
It had perplexed the other species of the Alliance. They vividly recalled numerous times when the Humans had rushed to aid the Vol'nath. They had been tireless in saving the poor, the downtrodden, the disaster-stricken, and desperate. They had worn themselves to rags to try and warn, to try and ameliorate the inevitable collapse.