You were defending her reaction. She could have sent the school security guard to talk to the guy, but she called the cops. You said you didn’t blame her. That she was correct for doing so. That was her first reaction, and you supported her.
It was a ridiculous reaction, and one you support.
I didn’t even know all that. I agreed with a policy of not allowing people to walk around openly carrying what could be a gun, unless of course they are authorized. I know there are a lot of fine lines with that where good common sense judgement is necessary.