Visible crew/equipment: When Deck Shifflet (played by Danny DeVito) and another actor are calling their office from a payphone, in order to setup another law firm, once the call has been completed and there is some back and forth between the Danny and the other actor, a crew member is entering the scene via a side alley, more humorous is how said crew member leaves the scene, on realizing that he has just walked onto a live set, the crew member proceeds to stop and walk in reverse out of shot. (01:13:57)
Revealing mistake: During his final speech Rudy projects a video of Donny Ray on a screen. When he rolls up the screen at the end, the projection of Donny Ray's face should still be visible on the wall behind. (01:57:45)
Answer: 1) Having his objections noted into the court records would make it easier if the defense decides to appeal the verdict, allowing counsel to cite what aspects of the trail he felt were mishandled. 2) Having him repeat his objections after cross-examining the CEO reminds the jury that Drummond felt it was inappropriate to use stolen documents as evidence in the case, perhaps generating some sympathy.