MB is non-union as I recall. IMHO, she is pandering to the Unions who most likely have donated to her campaigns. Make the members feel like she cares about them than collect a campaign check from their dues, while they are out not getting paid.
You are right, MB is non union, and your observation concerning Cheif Spreading Bull pandering to the union for money is spot on.
Again, all Liawatha cares about is herself.