The reason we've all lost so much is the total reduction of flying, not the pay scheme. If not for that, the merger's reshuffling of fleets would simply be a one-time event, and we'd all have advanced enough to void any concern.
LBP isn't the cure for what ails us, airframes are. In fact, LBP is a sure-fire way to make... shrinkeage more painful.
Why do you guys not see that the companies want such a scheme, but are too timid to ask for it outright? They ask for pay banding, thinking we'd never go for something as outrageous as LBP.