Hey, at least she had that manual override. On her person. At all times. Stuffed in her bra.

She never really thought of the portal gun as a weapon, really. More of a creative, non-violent solution to evil AIs trying to kill you.

Chell offered a shrug and in lieu of "elaborating" further about her weapons preference, she gestured out to the PILE OF DEAD BODIES and battle ranging around them. What was up with that?