"According to the lawsuit, the defendant studios, including Pixar, Lucasfilm, and Blue Sky, schemed to avoid high wages for artists by discussing and agreeing to compensation ranges for employees – that is, pay for employees would not go above certain, agreed-upon levels, so that the studios could limit their payroll expenses."
https://www.cartoonbrew.com/disney/federal-judge-dismisses-a...
Very similar to what Jobs did with other tech companies to drive down wages for engineers.