Absolutely.
Walking into a workplace when there's been a labour dispute, when you've had to walk a picket line, especially when scabs have been utilized and have literally taken food out of your children's mouths, is not something that workers forget or that they will ever get beyond. The situation and the atmosphere within a workplace become extremely challenging. There is ongoing distrust and ongoing animosity, and all of that make every round of bargaining thereafter that much more difficult.
In order to actually reach a good collective agreement, there has to be a bit of a relationship of trust. That doesn't mean you have to agree with each other but you have to be able to be in the same room to explore what the issues are and to really understand where the other party is coming from and what issues you're seeking to find a solution to.
The best opportunity you have is to actually have that relationship of trust to be able to deal with difficult issues. In order to actually put forward what the issue at hand is, workers need to feel that they have dignity in the conversations.
When there is the kind of dispute in which you are basically discarded and disposable, you're not going to feel any kind of empathy towards that employer, and you're not going to have that trust that you can actually express what the concerns are.
These are decades-long situations in which rebuilding has to take place, and there often needs to be a change in management in order to actually rebuild that kind of relationship.