The crews often are. I don’t understand why they don’t have a union with reciprocal support agreements. I rememeber during the last strike the late night shows made agreements with the WGA so that they could bring their shows back if they performed no written material. That way the rest of the crews could get paid (and the actors weren’t on strike so there was stuff to promote). It was either Colbert or Conan that literally filled time by spinning their wedding ring on their desk, just because they could pay people to film it.