Hindi rin kasi marunong 'yung iba. They could have just exited at Gate 2.5 para umabot sa u-turn slot.
I agree, kahit wala yung no swerving sign dun sa Gate 3.5, common sense will tell you alanganin yun at kung ipipilit mo especially pag trapik e maraming maaabala at maiinis sa inyo.