Yeah, I'm comfortable (of course) with carrying concealed when I talk with people on my property but I don't want to live in a world where people brandish guns just because they never met somebody before. That's wild west stuff and honestly would just tell a potential burglar that I may store guns in the cabin.
I met one of my neighbors for the first time a bit back in the same manner as these guys (drove to his house and knocked on their door). He let me in after I introduced myself as his neighbor and I met his wife and we talked for an hour. If he had answered the door with a shotgun we would have a lot different relationship than we do now.
The way you wrote it in your OP these two didn't just drive up to your cabin and knock on the front door the way a new neighbor would.