What other action is available to crew? If you are fed up with your lot, what do you do? Withdraw good will; work with lack of enthusiasm? I know then more cynical would say leave.
Both sides should be brave and look at the list and find at least one middle ground item. Both sides owe that to the rest of their colleages and the people who pay the wages.
I hope pride does not step into this. Just think of the obvious benefits to industrial relations, if, through negotiation, a safisfactory solution is found before any disruption hits.