Have you noticed this?

[Kc]

7. The tower residents didn't go out and collect weapons or ammo from the fallen Mallers after the war.

9. They haven't changed the gate code

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#7. They Did, it just hasn't been mentioned. This happened when they burned the bodies. You'll find out when it comes up again.

#9. There isn't a front door at all. It was destroyed beyond repair. The only way in or out any more is the Parking Garage.