Working with David Cronenberg or Darren Aronofsky or even Steven Soderbergh isn't really like a typical Hollywood movie. These are true artists and have a certain amount of freedom when they work and they're more like independent filmmakers making their way through big studios.
Lying at the root of the social agreements of 1980 are the courage sense of responsibility and the solidarity of the working people. Both sides have then recognized that an accord must be reached if bloodshed is to be prevented.