At my job years ago they had a required training that was watching a video that was essentially anti union propaganda.
They had two managers discussing the need for a new supervisor position opening up, and discussing two qualified candidates. Then a third guy (poorly dressed and obnoxious personality) comes in and says they have to promote this other guy, due to union rules. The managers exclaim that guy barely ever comes to work and when he does has very poor performance, but Obnoxious Union Guy insists their hands are tied and they must promote him.
End Scene.
Now, good employee forced to watch this video, can’t you see how unions are bad?? And YOU have to pay a fee to essentially destroy the company so we go under and you have to get a new job! Be a good little employee and keep working hard and forget the word Union exists.