I don’t have a gun - It’s like saying you’re so unprepared you didn’t even bring

It’s like saying you’re so unprepared you didn’t even bring your weapon. You brought snacks instead.

'I don’t have a gun.' He had chips and a soda. No weapon. Just snacks.

'I don’t have a gun.' He brought a book and a pencil. No gun. Just a loser.

'I don’t have a gun.' He had a phone and a bag of candy. What’s the deal?