It's still a successful industry-wide union. Actors can work a job, finish it, get employed by a different project, and still be represented by the SAG.
Firstly that's just a good trait to have. It's also one of the traits that plays really well with tech workers in general (point 4 above). And importantly, many tech workers are contractors or freelancers, or rely on hopping between companies for career advancement, so that's an important feature to them.
What’s the difference between the Screen Actors Guild and an average union, and why is it better suited for tech workers?
It's still a successful industry-wide union. Actors can work a job, finish it, get employed by a different project, and still be represented by the SAG.
Firstly that's just a good trait to have. It's also one of the traits that plays really well with tech workers in general (point 4 above). And importantly, many tech workers are contractors or freelancers, or rely on hopping between companies for career advancement, so that's an important feature to them.