IMHO, I think the "final and binding" position by the west is way too far in the rear view mirror to hope the east might some how have a "gee, maybe it is" thought now. I think too many people feel they were disenfranchised allot more than they ever expected to be, and they wont just accept the ruling until they are forced to.
So you ask, "when will they accept it? Either when the money runs out to fight it further, or the will runs out to fight it further, or if a better deal comes along that makes this one more palatable, or when the last court option forces them too. All emotion aside, that seems to be the bottom line.
Your right, we might be cutting off our nose despite our face, but I think people would say they had to try. And BTW, I do have no doubt that if the roles were reversed, the west would be doing the exact same thing. It may have become personal for some people, but it really is not for the vast majority of Pilots.