Carson very diplomatically did not point out that it was always possible something would try to kill him anyway. Why ruin the moment?
"At least here, you've got the opportunity to eventually look for it." He wasn't pushing, obviously, but it was one of the opportunities people had in town that they didn't necessarily have at home.
"And in case I haven't said it yet, it's good to have you here. You'll have to come over for dinner at some point."