"Hmm, yes, if only anyone here could empathize with being altered so against their will," Childermass says to the complete and utter lack of response to Peridot. He knows the Ringmaster brought them here to help but if he won't accept kindness, well.

"Though the difference here would seem to be that we want you alive simply because we have no desire to see you dead, much less so to keep you here, trapped, forever. Perhaps that is something we, on our own part, will not be able to make you understand for once."

Because the High Fae seem to think they know mortals so well, so well that it's easy to dismiss them, not even try. Ignatius might be different, but Childermass is doubtful.