Do you really believe that if management win this fight they will be satisfied, and that it will end there? Whatever agreements and guarantees they offer this time around will be totally worthless as they will know they can do whatever they want and we will capitulate.
If we don't have the guts to stand up for ourselves then we can forget ever been treated with any respect by management. In fact if we don't stand up for ourselves I don't see how we can even have any self respect.