I always carry whenever possible. While traveling twice with our rigs it came close to being considered, but wasn't required. One the dog fixed it, and the second we left before anything became an issue.
This is one thing you're trained in. Trying to avoid using it at all cost and there are other ways to protect yourself including leaving. The gun is ...the last resort.
To those that say carrying a gun doesn't make you safer probably never owned one or can. One thing that's a fact while carrying, I go out of my way to avoid any confrontation with people. While driving or otherwise.
It doesn't make most of us carrying feel invincible, trouble seekers or likely to instigate trouble. It makes me safer as a person, it makes you think more, and it's not a false sense of security. It's never something I hope to use or expect. But will if necessary.
Yes it's being aware of your surroundings at all times. But sometime you might find yourself in a situation you weren't expecting.