Scabs in right to work states, have very short careers on average. Management is always looking for someone to take their sick, twisted frustrations on, and the BA eventually tells the steward not to waste any effort on them.
Lot of mythology about the virtue of the union, its agents, and the union stewards around here. It's easy to sit at a hearing and do and say nothing. It's also easy to say things that actually help the company win the hearing.