Yeah, they did milk that a bit too much. I think having him talk to Clark and then help Lois get off Zod's ship was enough. They didn't need another Jor-El/Zod scene.
Also, I caught a blooper the last time I watched it. When Jor-El's holgram is walking around, you can hear his footsteps.
Bootleg Batman Begins
: "Bruce found a basement under his villa, in which the equipments turn him into another person: Spiderman. With this mask, Spiderman stroke all criminal activates and criminals everywhere, such as Tougon, the chief of Mafia, Doctor Jackstraw, the abnormal drug trafficker, even a mysterious opponent familiar with him