I totally agree that she was asked to leave and removed from her position in her local union as that is harassment . As a President of a local union myself things are hard enough with management. In our union, We have an equity statement that includes Harassment. Unions should never divide themselves they are fighting for the same rights.
"Discriminatory speech or conduct which is racist, sexist, transphobic or homophobic hurts and thereby divides us. So too, does discrimination on the basis of ability, age, class, religion and ethnic origin."