>>718766637
The problem is, they aren't mysterious. They're obviously there because the director wanted to contrive a lull in the fight, then a 1v1 where Qui-Gon dies while Obi-Wan watches. If there was some diagetic explanation for the gates, like an automated voice announcing a decontamination process or something, it could disguise the hand of the author. As it is, the laser gates are just an immersion -breaking slap in the face.