Have you ever realized that one of Star Trek's most used concepts, the Holodecks, rarely ever feature in films? There are really only four films that could've featured the concept, as the original series and Kelvin Timeline have not really shown to have the technology, at least at the time of the films. Still, even in those four Next Generation Era films, we didn't see much of the holodeck.

The only time we did, as ScreenRants pointed out, was in First Contact. In the scene that used it, Picard uses a gangster program that features most of the film's cameos The scene sees Picard use the hologram to obtain a Tommy Gun and after disengaging the safety protocols, shoot down two Borg drones.

It was a brilliantly effective use of the concept, but it was the only time the film series ever used the Holodeck. Yet, why is that?...