This would indicate that the Washington State Supreme Court is ready to expand the joint employer doctrine to a wider spectrum of employment issues, i.e., wage theft, wage rebate, discrimination, etc. In short, employees in these types of arrangements can actually bring litigation against their offending employers, and have some prospect of recovering damages. Simultaneously, large employers' days of limiting their legal liability to their contracted and subcontracted employees by outsoursing hiring may be numbered.
I'm busy working on my blog posts. Watch this space!