Continuity mistake: During a scene where the boss of the TV station is talking to his staff, when he finishes he takes off his glasses and starts to move off his chair. Yet in the next shot he gets off the chair still wearing his glasses. (00:07:30)
Continuity mistake: When Jenny is talking in front of the Capitol Building, the lady she's talking with has a hold of her bag in a distinctive way. When the shot changes she's no longer holding her bag. (00:10:50)
Continuity mistake: When Jenny is first talking to her mum, her mum gets the name 'Chloe' wrong. When she does she has nothing in her hands besides the cigarette. Camera changes and now she's got a watch in her hands. (00:09:40)
Continuity mistake: When the guy is leaving the observatory, the door is left almost fully open while getting in his truck. When we see him drive off the door is now half closed despite us seeing the door come to a stop in the previous shot. (00:05:33)
Answer: There is no logical reason. It can be argued that people are just stubborn and/or reluctant to leave their homes under any circumstance. However, this is a movie, and showing the last-minute chaos of people attempting to evacuate heightens the tension and the drama.
raywest ★