On the radio, today, they were discussing the difficulty of letting go of certain police officers that have been problematic. Binding arbitration, with the union, brings them back.
Makes me think of the complaints against teacher's unions. One often hears that it is hard to let go of teachers that are problematic because of the union.
There's the phrase, "the shoe is on the other foot now," when thinking about typical left / right divides in this country.
Are public sector unions bad?
I would guess there are both virtues and problems in all of these institutions.