Unions in general are constantly waging their own internal wars to keep their pilots "unified". I worked for an airline that has not only B-scales, but C scales, and D scales. The infighting and chaos that exists within the union from this concept is a cancer that no labor group can fight. B-Scales and the like MUST be prevented and stopped in order to keep any semblance of unity, and as a result, bargaining power and leverage. You must look long term when it comes to this. I promise you that your career will be much better in the long run if you can prevent it. Like so many things in life, it pays to be tough short term, to have it good long term.